2123766995 has 24 divisors (see below), whose sum is σ = 2985448992. Its totient is φ = 1420738560.

The previous prime is 2123766979. The next prime is 2123767001. The reversal of 2123766995 is 5996673212.

It is a happy number.

It is not a de Polignac number, because 2123766995 - 2⁴ = 2123766979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40787 + ... + 76883.

It is an arithmetic number, because the mean of its divisors is an integer number (124393708).

Almost surely, 2^2123766995 is an apocalyptic number.

2123766995 is a deficient number, since it is larger than the sum of its proper divisors (861681997).

2123766995 is an equidigital number, since it uses as much as digits as its factorization.

2123766995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36191 (or 36150 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 50.

The square root of 2123766995 is about 46084.3465289462. The cubic root of 2123766995 is about 1285.3920881565.

The spelling of 2123766995 in words is "two billion, one hundred twenty-three million, seven hundred sixty-six thousand, nine hundred ninety-five".