13901258729 has 2 divisors, whose sum is σ = 13901258730. Its totient is φ = 13901258728.

The previous prime is 13901258713. The next prime is 13901258737. The reversal of 13901258729 is 92785210931.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13794032704 + 107226025 = 117448^2 + 10355^2 .

It is a cyclic number.

It is not a de Polignac number, because 13901258729 - 2⁴ = 13901258713 is a prime.

It is not a weakly prime, because it can be changed into another prime (13901258759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6950629364 + 6950629365.

It is an arithmetic number, because the mean of its divisors is an integer number (6950629365).

Almost surely, 2^13901258729 is an apocalyptic number.

It is an amenable number.

13901258729 is a deficient number, since it is larger than the sum of its proper divisors (1).

13901258729 is an equidigital number, since it uses as much as digits as its factorization.

13901258729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 13901258729 in words is "thirteen billion, nine hundred one million, two hundred fifty-eight thousand, seven hundred twenty-nine".