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3858967786969 is a prime number
BaseRepresentation
bin111000001001111100011…
…001110111010111011001
3111122220200002200222002201
4320021330121313113121
51001211131223140334
612112441344130201
7545541550656301
oct70117431672731
914586602628081
103858967786969
111258640792609
12523a88606961
1321cb8c42b1c9
14d4abc9ba601
156a5a9842c14
hex3827c6775d9

3858967786969 has 2 divisors, whose sum is σ = 3858967786970. Its totient is φ = 3858967786968.

The previous prime is 3858967786937. The next prime is 3858967786979. The reversal of 3858967786969 is 9696877698583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3253820707225 + 605147079744 = 1803835^2 + 777912^2 .

It is a cyclic number.

It is not a de Polignac number, because 3858967786969 - 25 = 3858967786937 is a prime.

It is a super-2 number, since 2×38589677869692 (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3858967786979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1929483893484 + 1929483893485.

It is an arithmetic number, because the mean of its divisors is an integer number (1929483893485).

Almost surely, 23858967786969 is an apocalyptic number.

It is an amenable number.

3858967786969 is a deficient number, since it is larger than the sum of its proper divisors (1).

3858967786969 is an equidigital number, since it uses as much as digits as its factorization.

3858967786969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 59256852480, while the sum is 91.

The spelling of 3858967786969 in words is "three trillion, eight hundred fifty-eight billion, nine hundred sixty-seven million, seven hundred eighty-six thousand, nine hundred sixty-nine".