2122999873 has 2 divisors, whose sum is σ = 2122999874. Its totient is φ = 2122999872.

The previous prime is 2122999799. The next prime is 2122999927. The reversal of 2122999873 is 3789992212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1266149889 + 856849984 = 35583^2 + 29272^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122999873 - 2²⁹ = 1586128961 is a prime.

It is a super-2 number, since 2×2122999873² = 9014256921516032258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2122999873.

It is not a weakly prime, because it can be changed into another prime (2122999573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061499936 + 1061499937.

It is an arithmetic number, because the mean of its divisors is an integer number (1061499937).

Almost surely, 2^2122999873 is an apocalyptic number.

It is an amenable number.

2122999873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122999873 is an equidigital number, since it uses as much as digits as its factorization.

2122999873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 52.

The square root of 2122999873 is about 46076.0227558760. The cubic root of 2122999873 is about 1285.2373048086.

The spelling of 2122999873 in words is "two billion, one hundred twenty-two million, nine hundred ninety-nine thousand, eight hundred seventy-three".