32156080709 has 2 divisors, whose sum is σ = 32156080710. Its totient is φ = 32156080708.

The previous prime is 32156080699. The next prime is 32156080717. The reversal of 32156080709 is 90708065123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21293230084 + 10862850625 = 145922^2 + 104225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32156080709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32156080729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16078040354 + 16078040355.

It is an arithmetic number, because the mean of its divisors is an integer number (16078040355).

Almost surely, 2^32156080709 is an apocalyptic number.

It is an amenable number.

32156080709 is a deficient number, since it is larger than the sum of its proper divisors (1).

32156080709 is an equidigital number, since it uses as much as digits as its factorization.

32156080709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 32156080709 in words is "thirty-two billion, one hundred fifty-six million, eighty thousand, seven hundred nine".