32794990561 has 2 divisors, whose sum is σ = 32794990562. Its totient is φ = 32794990560.

The previous prime is 32794990549. The next prime is 32794990567. The reversal of 32794990561 is 16509949723.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32141676961 + 653313600 = 179281^2 + 25560^2 .

It is a cyclic number.

It is not a de Polignac number, because 32794990561 - 2⁷ = 32794990433 is a prime.

It is a super-2 number, since 2×32794990561² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32794990567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16397495280 + 16397495281.

It is an arithmetic number, because the mean of its divisors is an integer number (16397495281).

Almost surely, 2^32794990561 is an apocalyptic number.

It is an amenable number.

32794990561 is a deficient number, since it is larger than the sum of its proper divisors (1).

32794990561 is an equidigital number, since it uses as much as digits as its factorization.

32794990561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The spelling of 32794990561 in words is "thirty-two billion, seven hundred ninety-four million, nine hundred ninety thousand, five hundred sixty-one".