32377972513 has 2 divisors, whose sum is σ = 32377972514. Its totient is φ = 32377972512.

The previous prime is 32377972511. The next prime is 32377972531. The reversal of 32377972513 is 31527977323.

Together with next prime (32377972531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32301794529 + 76177984 = 179727^2 + 8728^2 .

It is a cyclic number.

It is not a de Polignac number, because 32377972513 - 2¹ = 32377972511 is a prime.

Together with 32377972511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (32377972511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16188986256 + 16188986257.

It is an arithmetic number, because the mean of its divisors is an integer number (16188986257).

Almost surely, 2^32377972513 is an apocalyptic number.

It is an amenable number.

32377972513 is a deficient number, since it is larger than the sum of its proper divisors (1).

32377972513 is an equidigital number, since it uses as much as digits as its factorization.

32377972513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1666980, while the sum is 49.

The spelling of 32377972513 in words is "thirty-two billion, three hundred seventy-seven million, nine hundred seventy-two thousand, five hundred thirteen".