38909473625925 has 180 divisors, whose sum is σ = 83850863469120. Its totient is φ = 17785083919680.

The previous prime is 38909473625923. The next prime is 38909473625941. The reversal of 38909473625925 is 52952637490983.

38909473625925 is a `hidden beast` number, since 3 + 8 + 9 + 0 + 9 + 473 + 62 + 5 + 92 + 5 = 666.

It is not a de Polignac number, because 38909473625925 - 2¹ = 38909473625923 is a prime.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38909473625923) by changing a digit.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 1103265142 + ... + 1103300408.

It is an arithmetic number, because the mean of its divisors is an integer number (465838130384).

Almost surely, 2^{38909473625925} is an apocalyptic number.

38909473625925 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38909473625925 is an abundant number, since it is smaller than the sum of its proper divisors (44941389843195).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38909473625925 is a wasteful number, since it uses less digits than its factorization.

38909473625925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46422 (or 46401 counting only the distinct ones).

The product of its (nonzero) digits is 881798400, while the sum is 72.

The spelling of 38909473625925 in words is "thirty-eight trillion, nine hundred nine billion, four hundred seventy-three million, six hundred twenty-five thousand, nine hundred twenty-five".