32173461292813 has 2 divisors, whose sum is σ = 32173461292814. Its totient is φ = 32173461292812.

The previous prime is 32173461292787. The next prime is 32173461292867. The reversal of 32173461292813 is 31829216437123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18126459520324 + 14047001772489 = 4257518^2 + 3747933^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32173461292813 is a prime.

It is a super-2 number, since 2×32173461292813² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32173461290813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16086730646406 + 16086730646407.

It is an arithmetic number, because the mean of its divisors is an integer number (16086730646407).

Almost surely, 2^{32173461292813} is an apocalyptic number.

It is an amenable number.

32173461292813 is a deficient number, since it is larger than the sum of its proper divisors (1).

32173461292813 is an equidigital number, since it uses as much as digits as its factorization.

32173461292813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 52.

The spelling of 32173461292813 in words is "thirty-two trillion, one hundred seventy-three billion, four hundred sixty-one million, two hundred ninety-two thousand, eight hundred thirteen".