13257638958207 has 8 divisors (see below), whose sum is σ = 20202116507776. Its totient is φ = 7575793690392.

The previous prime is 13257638958203. The next prime is 13257638958229. The reversal of 13257638958207 is 70285983675231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13257638958207 - 2² = 13257638958203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13257638958203) 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 in 7 ways as a sum of consecutive naturals, for example, 315658070413 + ... + 315658070454.

It is an arithmetic number, because the mean of its divisors is an integer number (2525264563472).

Almost surely, 2^{13257638958207} is an apocalyptic number.

13257638958207 is a deficient number, since it is larger than the sum of its proper divisors (6944477549569).

13257638958207 is an equidigital number, since it uses as much as digits as its factorization.

13257638958207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631316140877.

The product of its (nonzero) digits is 152409600, while the sum is 66.

The spelling of 13257638958207 in words is "thirteen trillion, two hundred fifty-seven billion, six hundred thirty-eight million, nine hundred fifty-eight thousand, two hundred seven".