13195921037 has 12 divisors (see below), whose sum is σ = 14293555380. Its totient is φ = 12177030528.

The previous prime is 13195921007. The next prime is 13195921049. The reversal of 13195921037 is 73012959131.

It can be written as a sum of positive squares in 6 ways, for example, as 3374912836 + 9821008201 = 58094^2 + 99101^2 .

It is not a de Polignac number, because 13195921037 - 2²⁸ = 12927485581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13195920985 and 13195921003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13195921007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 626603 + ... + 647319.

It is an arithmetic number, because the mean of its divisors is an integer number (1191129615).

Almost surely, 2^13195921037 is an apocalyptic number.

It is an amenable number.

13195921037 is a deficient number, since it is larger than the sum of its proper divisors (1097634343).

13195921037 is a wasteful number, since it uses less digits than its factorization.

13195921037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24512 (or 24499 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 41.

The spelling of 13195921037 in words is "thirteen billion, one hundred ninety-five million, nine hundred twenty-one thousand, thirty-seven".