2163742492 has 12 divisors (see below), whose sum is σ = 3792690720. Its totient is φ = 1080116576.

The previous prime is 2163742489. The next prime is 2163742523. The reversal of 2163742492 is 2942473612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435892 + ... + 440827.

It is an arithmetic number, because the mean of its divisors is an integer number (316057560).

Almost surely, 2^2163742492 is an apocalyptic number.

It is an amenable number.

2163742492 is a deficient number, since it is larger than the sum of its proper divisors (1628948228).

2163742492 is a wasteful number, since it uses less digits than its factorization.

2163742492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877340 (or 877338 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 2163742492 is about 46516.0455326976. The cubic root of 2163742492 is about 1293.4069531256.

The spelling of 2163742492 in words is "two billion, one hundred sixty-three million, seven hundred forty-two thousand, four hundred ninety-two".