2280621979 has 2 divisors, whose sum is σ = 2280621980. Its totient is φ = 2280621978.

The previous prime is 2280621977. The next prime is 2280622009. The reversal of 2280621979 is 9791260822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2280621979 - 2¹ = 2280621977 is a prime.

It is a super-2 number, since 2×2280621979² = 10402473222195752882, which contains 22 as substring.

Together with 2280621977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2280621977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140310989 + 1140310990.

It is an arithmetic number, because the mean of its divisors is an integer number (1140310990).

Almost surely, 2^2280621979 is an apocalyptic number.

2280621979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2280621979 is an equidigital number, since it uses as much as digits as its factorization.

2280621979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 2280621979 is about 47755.8580595093. The cubic root of 2280621979 is about 1316.2885448276.

The spelling of 2280621979 in words is "two billion, two hundred eighty million, six hundred twenty-one thousand, nine hundred seventy-nine".