2147814992 has 20 divisors (see below), whose sum is σ = 4162855956. Its totient is φ = 1073529600.

The previous prime is 2147814989. The next prime is 2147814997. The reversal of 2147814992 is 2994187412.

It can be written as a sum of positive squares in 2 ways, for example, as 1086097936 + 1061717056 = 32956^2 + 32584^2 .

It is a super-2 number, since 2×2147814992² = 9226218479719920128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147814997) 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, 26492 + ... + 70692.

Almost surely, 2^2147814992 is an apocalyptic number.

It is an amenable number.

2147814992 is a deficient number, since it is larger than the sum of its proper divisors (2015040964).

2147814992 is a wasteful number, since it uses less digits than its factorization.

2147814992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47246 (or 47240 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 2147814992 is about 46344.5249409248. The cubic root of 2147814992 is about 1290.2255063171.

The spelling of 2147814992 in words is "two billion, one hundred forty-seven million, eight hundred fourteen thousand, nine hundred ninety-two".