2142199672 has 16 divisors (see below), whose sum is σ = 4053475800. Its totient is φ = 1061272800.

The previous prime is 2142199667. The next prime is 2142199679. The reversal of 2142199672 is 2769912412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142199679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1227454 + ... + 1229197.

Almost surely, 2^2142199672 is an apocalyptic number.

It is an amenable number.

2142199672 is a deficient number, since it is larger than the sum of its proper divisors (1911276128).

2142199672 is a wasteful number, since it uses less digits than its factorization.

2142199672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456766 (or 2456762 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 2142199672 is about 46283.9029469210. The cubic root of 2142199672 is about 1289.1001219635.

The spelling of 2142199672 in words is "two billion, one hundred forty-two million, one hundred ninety-nine thousand, six hundred seventy-two".