32572612409 has 2 divisors, whose sum is σ = 32572612410. Its totient is φ = 32572612408.

The previous prime is 32572612321. The next prime is 32572612441. The reversal of 32572612409 is 90421627523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32039926009 + 532686400 = 178997^2 + 23080^2 .

It is a cyclic number.

It is not a de Polignac number, because 32572612409 - 2²⁰ = 32571563833 is a prime.

It is not a weakly prime, because it can be changed into another prime (32572612469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16286306204 + 16286306205.

It is an arithmetic number, because the mean of its divisors is an integer number (16286306205).

Almost surely, 2^32572612409 is an apocalyptic number.

It is an amenable number.

32572612409 is a deficient number, since it is larger than the sum of its proper divisors (1).

32572612409 is an equidigital number, since it uses as much as digits as its factorization.

32572612409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 32572612409 in words is "thirty-two billion, five hundred seventy-two million, six hundred twelve thousand, four hundred nine".