2158563932 has 24 divisors (see below), whose sum is σ = 4544346240. Its totient is φ = 876409200.

The previous prime is 2158563907. The next prime is 2158563949. The reversal of 2158563932 is 2393658512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2028194 + ... + 2029257.

It is an arithmetic number, because the mean of its divisors is an integer number (189347760).

Almost surely, 2^2158563932 is an apocalyptic number.

It is an amenable number.

2158563932 is an abundant number, since it is smaller than the sum of its proper divisors (2385782308).

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

2158563932 is a wasteful number, since it uses less digits than its factorization.

2158563932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057481 (or 4057479 counting only the distinct ones).

The product of its digits is 388800, while the sum is 44.

The square root of 2158563932 is about 46460.3479539273. The cubic root of 2158563932 is about 1292.3742769238.

The spelling of 2158563932 in words is "two billion, one hundred fifty-eight million, five hundred sixty-three thousand, nine hundred thirty-two".