13381460775937 has 2 divisors, whose sum is σ = 13381460775938. Its totient is φ = 13381460775936.

The previous prime is 13381460775923. The next prime is 13381460776007. The reversal of 13381460775937 is 73957706418331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10451745863056 + 2929714912881 = 3232916^2 + 1711641^2 .

It is an emirp because it is prime and its reverse (73957706418331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13381460775937 is a prime.

It is not a weakly prime, because it can be changed into another prime (13381460772937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6690730387968 + 6690730387969.

It is an arithmetic number, because the mean of its divisors is an integer number (6690730387969).

Almost surely, 2^{13381460775937} is an apocalyptic number.

It is an amenable number.

13381460775937 is a deficient number, since it is larger than the sum of its proper divisors (1).

13381460775937 is an equidigital number, since it uses as much as digits as its factorization.

13381460775937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80015040, while the sum is 64.

The spelling of 13381460775937 in words is "thirteen trillion, three hundred eighty-one billion, four hundred sixty million, seven hundred seventy-five thousand, nine hundred thirty-seven".