4009992631147 has 4 divisors (see below), whose sum is σ = 4010030692600. Its totient is φ = 4009954569696.

The previous prime is 4009992631067. The next prime is 4009992631181. The reversal of 4009992631147 is 7411362999004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4009992631147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4009992631187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18872253 + ... + 19083550.

It is an arithmetic number, because the mean of its divisors is an integer number (1002507673150).

Almost surely, 2^{4009992631147} is an apocalyptic number.

4009992631147 is a deficient number, since it is larger than the sum of its proper divisors (38061453).

4009992631147 is a wasteful number, since it uses less digits than its factorization.

4009992631147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38061452.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The spelling of 4009992631147 in words is "four trillion, nine billion, nine hundred ninety-two million, six hundred thirty-one thousand, one hundred forty-seven".