13157237047 has 2 divisors, whose sum is σ = 13157237048. Its totient is φ = 13157237046.

The previous prime is 13157236999. The next prime is 13157237081. The reversal of 13157237047 is 74073275131.

It is a strong prime.

It is an emirp because it is prime and its reverse (74073275131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13157237047 - 2⁷ = 13157236919 is a prime.

It is a super-2 number, since 2×13157237047² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13157337047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6578618523 + 6578618524.

It is an arithmetic number, because the mean of its divisors is an integer number (6578618524).

Almost surely, 2^13157237047 is an apocalyptic number.

13157237047 is a deficient number, since it is larger than the sum of its proper divisors (1).

13157237047 is an equidigital number, since it uses as much as digits as its factorization.

13157237047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480, while the sum is 40.

The spelling of 13157237047 in words is "thirteen billion, one hundred fifty-seven million, two hundred thirty-seven thousand, forty-seven".