32351354921 has 2 divisors, whose sum is σ = 32351354922. Its totient is φ = 32351354920.

The previous prime is 32351354899. The next prime is 32351354939. The reversal of 32351354921 is 12945315323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23802318400 + 8549036521 = 154280^2 + 92461^2 .

It is a cyclic number.

It is not a de Polignac number, because 32351354921 - 2¹⁰ = 32351353897 is a prime.

It is a super-2 number, since 2×32351354921² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32351354621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16175677460 + 16175677461.

It is an arithmetic number, because the mean of its divisors is an integer number (16175677461).

Almost surely, 2^32351354921 is an apocalyptic number.

It is an amenable number.

32351354921 is a deficient number, since it is larger than the sum of its proper divisors (1).

32351354921 is an equidigital number, since it uses as much as digits as its factorization.

32351354921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 38.

The spelling of 32351354921 in words is "thirty-two billion, three hundred fifty-one million, three hundred fifty-four thousand, nine hundred twenty-one".