39387747700494 has 48 divisors (see below), whose sum is σ = 86562799878672. Its totient is φ = 12941367663744.

The previous prime is 39387747700493. The next prime is 39387747700513. The reversal of 39387747700494 is 49400774778393.

39387747700494 is a `hidden beast` number, since 3 + 93 + 8 + 7 + 7 + 47 + 7 + 0 + 0 + 494 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39387747700493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7172352 + ... + 11411315.

It is an arithmetic number, because the mean of its divisors is an integer number (1803391664139).

Almost surely, 2^{39387747700494} is an apocalyptic number.

39387747700494 is an abundant number, since it is smaller than the sum of its proper divisors (47175052178178).

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

39387747700494 is a wasteful number, since it uses less digits than its factorization.

39387747700494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18585361 (or 18585358 counting only the distinct ones).

The product of its (nonzero) digits is 896168448, while the sum is 72.

The spelling of 39387747700494 in words is "thirty-nine trillion, three hundred eighty-seven billion, seven hundred forty-seven million, seven hundred thousand, four hundred ninety-four".