2163924862 has 32 divisors (see below), whose sum is σ = 3677503104. Its totient is φ = 946360800.

The previous prime is 2163924857. The next prime is 2163924869. The reversal of 2163924862 is 2684293612.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163924869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46312 + ... + 80452.

It is an arithmetic number, because the mean of its divisors is an integer number (114921972).

Almost surely, 2^2163924862 is an apocalyptic number.

2163924862 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2163924862 is a deficient number, since it is larger than the sum of its proper divisors (1513578242).

2163924862 is a wasteful number, since it uses less digits than its factorization.

2163924862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34264.

The product of its digits is 248832, while the sum is 43.

The square root of 2163924862 is about 46518.0057827074. The cubic root of 2163924862 is about 1293.4432901666.

The spelling of 2163924862 in words is "two billion, one hundred sixty-three million, nine hundred twenty-four thousand, eight hundred sixty-two".