13195075763257 has 4 divisors (see below), whose sum is σ = 13516906879476. Its totient is φ = 12873244647040.

The previous prime is 13195075763251. The next prime is 13195075763293. The reversal of 13195075763257 is 75236757059131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4218406623376 + 8976669139881 = 2053876^2 + 2996109^2 .

It is a cyclic number.

It is not a de Polignac number, because 13195075763257 - 2¹¹ = 13195075761209 is a prime.

It is a super-2 number, since 2×13195075763257² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13195075763195 and 13195075763204.

It is not an unprimeable number, because it can be changed into a prime (13195075763251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160915558048 + ... + 160915558129.

It is an arithmetic number, because the mean of its divisors is an integer number (3379226719869).

Almost surely, 2^{13195075763257} is an apocalyptic number.

It is an amenable number.

13195075763257 is a deficient number, since it is larger than the sum of its proper divisors (321831116219).

13195075763257 is an equidigital number, since it uses as much as digits as its factorization.

13195075763257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321831116218.

The product of its (nonzero) digits is 41674500, while the sum is 61.

The spelling of 13195075763257 in words is "thirteen trillion, one hundred ninety-five billion, seventy-five million, seven hundred sixty-three thousand, two hundred fifty-seven".