38464465616413 has 4 divisors (see below), whose sum is σ = 38464534766140. Its totient is φ = 38464396466688.

The previous prime is 38464465616399. The next prime is 38464465616419. The reversal of 38464465616413 is 31461656446483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14247023877529 + 24217441738884 = 3774523^2 + 4921122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38464465616413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38464465616419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33733668 + ... + 34855261.

It is an arithmetic number, because the mean of its divisors is an integer number (9616133691535).

Almost surely, 2^{38464465616413} is an apocalyptic number.

It is an amenable number.

38464465616413 is a deficient number, since it is larger than the sum of its proper divisors (69149727).

38464465616413 is an equidigital number, since it uses as much as digits as its factorization.

38464465616413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69149726.

The product of its digits is 119439360, while the sum is 61.

The spelling of 38464465616413 in words is "thirty-eight trillion, four hundred sixty-four billion, four hundred sixty-five million, six hundred sixteen thousand, four hundred thirteen".