32391190913 has 8 divisors (see below), whose sum is σ = 32474860200. Its totient is φ = 32307573760.

The previous prime is 32391190903. The next prime is 32391190919. The reversal of 32391190913 is 31909119323.

It can be written as a sum of positive squares in 4 ways, for example, as 19596640144 + 12794550769 = 139988^2 + 113113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32391190913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32391190919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435031 + ... + 1457427.

It is an arithmetic number, because the mean of its divisors is an integer number (4059357525).

Almost surely, 2^32391190913 is an apocalyptic number.

It is an amenable number.

32391190913 is a deficient number, since it is larger than the sum of its proper divisors (83669287).

32391190913 is a wasteful number, since it uses less digits than its factorization.

32391190913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26067.

The product of its (nonzero) digits is 39366, while the sum is 41.

The spelling of 32391190913 in words is "thirty-two billion, three hundred ninety-one million, one hundred ninety thousand, nine hundred thirteen".