39378031914 has 48 divisors (see below), whose sum is σ = 88031280384. Its totient is φ = 11725459200.

The previous prime is 39378031909. The next prime is 39378031919. The reversal of 39378031914 is 41913087393.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (39378031909) and next prime (39378031919).

It is not an unprimeable number, because it can be changed into a prime (39378031919) 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, 594927 + ... + 657794.

It is an arithmetic number, because the mean of its divisors is an integer number (1833985008).

Almost surely, 2^39378031914 is an apocalyptic number.

39378031914 is an abundant number, since it is smaller than the sum of its proper divisors (48653248470).

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

39378031914 is a wasteful number, since it uses less digits than its factorization.

39378031914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252783 (or 1252770 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 39378031914 in words is "thirty-nine billion, three hundred seventy-eight million, thirty-one thousand, nine hundred fourteen".