32180990417 has 2 divisors, whose sum is σ = 32180990418. Its totient is φ = 32180990416.

The previous prime is 32180990399. The next prime is 32180990423. The reversal of 32180990417 is 71409908123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31439190721 + 741799696 = 177311^2 + 27236^2 .

It is a cyclic number.

It is not a de Polignac number, because 32180990417 - 2²⁴ = 32164213201 is a prime.

It is a super-2 number, since 2×32180990417² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32180990437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16090495208 + 16090495209.

It is an arithmetic number, because the mean of its divisors is an integer number (16090495209).

Almost surely, 2^32180990417 is an apocalyptic number.

It is an amenable number.

32180990417 is a deficient number, since it is larger than the sum of its proper divisors (1).

32180990417 is an equidigital number, since it uses as much as digits as its factorization.

32180990417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 32180990417 in words is "thirty-two billion, one hundred eighty million, nine hundred ninety thousand, four hundred seventeen".