9967951372 has 6 divisors (see below), whose sum is σ = 17443914908. Its totient is φ = 4983975684.

The previous prime is 9967951363. The next prime is 9967951387. The reversal of 9967951372 is 2731597699.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245993918 + ... + 1245993925.

Almost surely, 2^9967951372 is an apocalyptic number.

It is an amenable number.

9967951372 is a deficient number, since it is larger than the sum of its proper divisors (7475963536).

9967951372 is a wasteful number, since it uses less digits than its factorization.

9967951372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491987847 (or 2491987845 counting only the distinct ones).

The product of its digits is 6429780, while the sum is 58.

The square root of 9967951372 is about 99839.6282645323. The cubic root of 9967951372 is about 2152.1306710568.

The spelling of 9967951372 in words is "nine billion, nine hundred sixty-seven million, nine hundred fifty-one thousand, three hundred seventy-two".