2147945392 has 80 divisors (see below), whose sum is σ = 4373720064. Its totient is φ = 1020992000.

The previous prime is 2147945369. The next prime is 2147945411. The reversal of 2147945392 is 2935497412.

It is a super-2 number, since 2×2147945392² = 9227338814028067328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4983417 + ... + 4983847.

Almost surely, 2^2147945392 is an apocalyptic number.

It is an amenable number.

2147945392 is an abundant number, since it is smaller than the sum of its proper divisors (2225774672).

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

2147945392 is a wasteful number, since it uses less digits than its factorization.

2147945392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 652 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 2147945392 is about 46345.9317739972. The cubic root of 2147945392 is about 1290.2516168841.

The spelling of 2147945392 in words is "two billion, one hundred forty-seven million, nine hundred forty-five thousand, three hundred ninety-two".