2122957379 has 2 divisors, whose sum is σ = 2122957380. Its totient is φ = 2122957378.

The previous prime is 2122957373. The next prime is 2122957493. The reversal of 2122957379 is 9737592212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122957379 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122957373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061478689 + 1061478690.

It is an arithmetic number, because the mean of its divisors is an integer number (1061478690).

Almost surely, 2^2122957379 is an apocalyptic number.

2122957379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122957379 is an equidigital number, since it uses as much as digits as its factorization.

2122957379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 47.

The square root of 2122957379 is about 46075.5616243579. The cubic root of 2122957379 is about 1285.2287296411.

The spelling of 2122957379 in words is "two billion, one hundred twenty-two million, nine hundred fifty-seven thousand, three hundred seventy-nine".