13316252437 has 2 divisors, whose sum is σ = 13316252438. Its totient is φ = 13316252436.

The previous prime is 13316252419. The next prime is 13316252447. The reversal of 13316252437 is 73425261331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11844839556 + 1471412881 = 108834^2 + 38359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13316252437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13316252396 and 13316252405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13316252447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6658126218 + 6658126219.

It is an arithmetic number, because the mean of its divisors is an integer number (6658126219).

Almost surely, 2^13316252437 is an apocalyptic number.

It is an amenable number.

13316252437 is a deficient number, since it is larger than the sum of its proper divisors (1).

13316252437 is an equidigital number, since it uses as much as digits as its factorization.

13316252437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The spelling of 13316252437 in words is "thirteen billion, three hundred sixteen million, two hundred fifty-two thousand, four hundred thirty-seven".