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BaseRepresentation
bin111010111101000111010…
…001010001010011110101
3112100022020112112100211021
4322331013101101103311
51012334131031313223
612341055303541141
7565462140462301
oct72750721212365
915308215470737
104051349869813
111322193423904
12555218a5a7b1
1323506b41449c
1410012d052d01
15705b90e165d
hex3af474514f5

4051349869813 has 2 divisors, whose sum is σ = 4051349869814. Its totient is φ = 4051349869812.

The previous prime is 4051349869783. The next prime is 4051349869909. The reversal of 4051349869813 is 3189689431504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3637079994769 + 414269875044 = 1907113^2 + 643638^2 .

It is a cyclic number.

It is not a de Polignac number, because 4051349869813 - 225 = 4051316315381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4051349869013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025674934906 + 2025674934907.

It is an arithmetic number, because the mean of its divisors is an integer number (2025674934907).

Almost surely, 24051349869813 is an apocalyptic number.

It is an amenable number.

4051349869813 is a deficient number, since it is larger than the sum of its proper divisors (1).

4051349869813 is an equidigital number, since it uses as much as digits as its factorization.

4051349869813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 4051349869813 in words is "four trillion, fifty-one billion, three hundred forty-nine million, eight hundred sixty-nine thousand, eight hundred thirteen".