38913766921914 has 64 divisors (see below), whose sum is σ = 80710199121024. Its totient is φ = 12497845764096.

The previous prime is 38913766921871. The next prime is 38913766921979. The reversal of 38913766921914 is 41912966731983.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27480922 + ... + 28862234.

It is an arithmetic number, because the mean of its divisors is an integer number (1261096861266).

Almost surely, 2^{38913766921914} is an apocalyptic number.

38913766921914 is an abundant number, since it is smaller than the sum of its proper divisors (41796432199110).

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

38913766921914 is a wasteful number, since it uses less digits than its factorization.

38913766921914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382591.

The product of its digits is 105815808, while the sum is 69.

The spelling of 38913766921914 in words is "thirty-eight trillion, nine hundred thirteen billion, seven hundred sixty-six million, nine hundred twenty-one thousand, nine hundred fourteen".