38508465513 has 16 divisors (see below), whose sum is σ = 59786729856. Its totient is φ = 21589651200.

The previous prime is 38508465497. The next prime is 38508465559. The reversal of 38508465513 is 31556480583.

38508465513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38508465513 - 2⁴ = 38508465497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38508465313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17298288 + ... + 17300513.

It is an arithmetic number, because the mean of its divisors is an integer number (3736670616).

Almost surely, 2^38508465513 is an apocalyptic number.

It is an amenable number.

38508465513 is a deficient number, since it is larger than the sum of its proper divisors (21278264343).

38508465513 is a wasteful number, since it uses less digits than its factorization.

38508465513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34598864.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 38508465513 in words is "thirty-eight billion, five hundred eight million, four hundred sixty-five thousand, five hundred thirteen".