39975352468 has 6 divisors (see below), whose sum is σ = 69956866826. Its totient is φ = 19987676232.

The previous prime is 39975352433. The next prime is 39975352493. The reversal of 39975352468 is 86425357993.

It can be written as a sum of positive squares in only one way, i.e., 37594107664 + 2381244804 = 193892^2 + 48798^2 .

It is a congruent 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 as a sum of consecutive naturals, namely, 4996919055 + ... + 4996919062.

Almost surely, 2^39975352468 is an apocalyptic number.

It is an amenable number.

39975352468 is a deficient number, since it is larger than the sum of its proper divisors (29981514358).

39975352468 is a wasteful number, since it uses less digits than its factorization.

39975352468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9993838121 (or 9993838119 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 61.

The spelling of 39975352468 in words is "thirty-nine billion, nine hundred seventy-five million, three hundred fifty-two thousand, four hundred sixty-eight".