32917920473 has 2 divisors, whose sum is σ = 32917920474. Its totient is φ = 32917920472.

The previous prime is 32917920457. The next prime is 32917920479. The reversal of 32917920473 is 37402971923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24301068544 + 8616851929 = 155888^2 + 92827^2 .

It is a cyclic number.

It is not a de Polignac number, because 32917920473 - 2⁴ = 32917920457 is a prime.

It is a super-3 number, since 3×32917920473³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (32917920479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16458960236 + 16458960237.

It is an arithmetic number, because the mean of its divisors is an integer number (16458960237).

Almost surely, 2^32917920473 is an apocalyptic number.

It is an amenable number.

32917920473 is a deficient number, since it is larger than the sum of its proper divisors (1).

32917920473 is an equidigital number, since it uses as much as digits as its factorization.

32917920473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 32917920473 in words is "thirty-two billion, nine hundred seventeen million, nine hundred twenty thousand, four hundred seventy-three".