32641705157 has 2 divisors, whose sum is σ = 32641705158. Its totient is φ = 32641705156.

The previous prime is 32641705147. The next prime is 32641705193. The reversal of 32641705157 is 75150714623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31616040481 + 1025664676 = 177809^2 + 32026^2 .

It is a cyclic number.

It is not a de Polignac number, because 32641705157 - 2¹⁰ = 32641704133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32641705127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16320852578 + 16320852579.

It is an arithmetic number, because the mean of its divisors is an integer number (16320852579).

Almost surely, 2^32641705157 is an apocalyptic number.

It is an amenable number.

32641705157 is a deficient number, since it is larger than the sum of its proper divisors (1).

32641705157 is an equidigital number, since it uses as much as digits as its factorization.

32641705157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 32641705157 in words is "thirty-two billion, six hundred forty-one million, seven hundred five thousand, one hundred fifty-seven".