38415949825 has 24 divisors (see below), whose sum is σ = 53758255680. Its totient is φ = 26975457600.

The previous prime is 38415949813. The next prime is 38415949849. The reversal of 38415949825 is 52894951483.

It is a happy number.

It is not a de Polignac number, because 38415949825 - 2¹⁹ = 38415425537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38415949825.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2400549 + ... + 2416498.

It is an arithmetic number, because the mean of its divisors is an integer number (2239927320).

Almost surely, 2^38415949825 is an apocalyptic number.

It is an amenable number.

38415949825 is a deficient number, since it is larger than the sum of its proper divisors (15342305855).

38415949825 is a wasteful number, since it uses less digits than its factorization.

38415949825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4817097 (or 4817092 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 58.

The spelling of 38415949825 in words is "thirty-eight billion, four hundred fifteen million, nine hundred forty-nine thousand, eight hundred twenty-five".