2122610879 has 4 divisors (see below), whose sum is σ = 2125400880. Its totient is φ = 2119820880.

The previous prime is 2122610873. The next prime is 2122610881. The reversal of 2122610879 is 9780162212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2122610879 - 2²⁸ = 1854175423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122610873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393859 + ... + 1395380.

It is an arithmetic number, because the mean of its divisors is an integer number (531350220).

Almost surely, 2^2122610879 is an apocalyptic number.

2122610879 is a deficient number, since it is larger than the sum of its proper divisors (2790001).

2122610879 is an equidigital number, since it uses as much as digits as its factorization.

2122610879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790000.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 2122610879 is about 46071.8013431209. The cubic root of 2122610879 is about 1285.1588026626.

The spelling of 2122610879 in words is "two billion, one hundred twenty-two million, six hundred ten thousand, eight hundred seventy-nine".