39398936814 has 64 divisors (see below), whose sum is σ = 87974657280. Its totient is φ = 13069887840.

The previous prime is 39398936777. The next prime is 39398936821. The reversal of 39398936814 is 41863989393.

39398936814 is a `hidden beast` number, since 393 + 98 + 93 + 68 + 14 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19728064 + ... + 19730060.

It is an arithmetic number, because the mean of its divisors is an integer number (1374604020).

Almost surely, 2^39398936814 is an apocalyptic number.

39398936814 is an abundant number, since it is smaller than the sum of its proper divisors (48575720466).

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

39398936814 is a wasteful number, since it uses less digits than its factorization.

39398936814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582 (or 3576 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 63.

The spelling of 39398936814 in words is "thirty-nine billion, three hundred ninety-eight million, nine hundred thirty-six thousand, eight hundred fourteen".