38513485635 has 32 divisors (see below), whose sum is σ = 66140193600. Its totient is φ = 19067424768.

The previous prime is 38513485631. The next prime is 38513485643. The reversal of 38513485635 is 53658431583.

It is not a de Polignac number, because 38513485635 - 2² = 38513485631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (38513485631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1015860 + ... + 1053089.

It is an arithmetic number, because the mean of its divisors is an integer number (2066881050).

Almost surely, 2^38513485635 is an apocalyptic number.

38513485635 is a deficient number, since it is larger than the sum of its proper divisors (27626707965).

38513485635 is a wasteful number, since it uses less digits than its factorization.

38513485635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069047.

The product of its digits is 5184000, while the sum is 51.

The spelling of 38513485635 in words is "thirty-eight billion, five hundred thirteen million, four hundred eighty-five thousand, six hundred thirty-five".