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3870274396129 is a prime number
BaseRepresentation
bin111000010100011110010…
…101001001111111100001
3111200222212002002020000221
4320110132111021333201
51001402310221134004
612121551324043041
7546422002366351
oct70243625117741
914628762066027
103870274396129
111262412aa93a9
12526103093481
13220c71a2899b
14d54724a0b61
156aa1c299354
hex3851e549fe1

3870274396129 has 2 divisors, whose sum is σ = 3870274396130. Its totient is φ = 3870274396128.

The previous prime is 3870274396117. The next prime is 3870274396169. The reversal of 3870274396129 is 9216934720783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3310361913600 + 559912482529 = 1819440^2 + 748273^2 .

It is an emirp because it is prime and its reverse (9216934720783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3870274396129 - 25 = 3870274396097 is a prime.

It is a super-4 number, since 4×38702743961294 (a number of 51 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (3870274396169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935137198064 + 1935137198065.

It is an arithmetic number, because the mean of its divisors is an integer number (1935137198065).

Almost surely, 23870274396129 is an apocalyptic number.

It is an amenable number.

3870274396129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3870274396129 is an equidigital number, since it uses as much as digits as its factorization.

3870274396129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27433728, while the sum is 61.

The spelling of 3870274396129 in words is "three trillion, eight hundred seventy billion, two hundred seventy-four million, three hundred ninety-six thousand, one hundred twenty-nine".