39101979368 has 8 divisors (see below), whose sum is σ = 73316211330. Its totient is φ = 19550989680.

The previous prime is 39101979359. The next prime is 39101979379. The reversal of 39101979368 is 86397910193.

It can be written as a sum of positive squares in only one way, i.e., 38989661764 + 112317604 = 197458^2 + 10598^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2443873703 + ... + 2443873718.

Almost surely, 2^39101979368 is an apocalyptic number.

It is an amenable number.

39101979368 is a deficient number, since it is larger than the sum of its proper divisors (34214231962).

39101979368 is a wasteful number, since it uses less digits than its factorization.

39101979368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887747427 (or 4887747423 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 56.

The spelling of 39101979368 in words is "thirty-nine billion, one hundred one million, nine hundred seventy-nine thousand, three hundred sixty-eight".