39900473613 has 384 divisors, whose sum is σ = 86575104000. Its totient is φ = 17577181440.

The previous prime is 39900473579. The next prime is 39900473653. The reversal of 39900473613 is 31637400993.

It is a happy number.

39900473613 is a `hidden beast` number, since 39 + 90 + 0 + 473 + 61 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-39900473613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39900473653) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 287053698 + ... + 287053836.

It is an arithmetic number, because the mean of its divisors is an integer number (225456000).

Almost surely, 2^39900473613 is an apocalyptic number.

39900473613 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

39900473613 is an abundant number, since it is smaller than the sum of its proper divisors (46674630387).

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

39900473613 is a wasteful number, since it uses less digits than its factorization.

39900473613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 45.

The spelling of 39900473613 in words is "thirty-nine billion, nine hundred million, four hundred seventy-three thousand, six hundred thirteen".