2520868979 has 2 divisors, whose sum is σ = 2520868980. Its totient is φ = 2520868978.

The previous prime is 2520868967. The next prime is 2520869003. The reversal of 2520868979 is 9798680252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2520868979 - 2⁴ = 2520868963 is a prime.

It is not a weakly prime, because it can be changed into another prime (2520868949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260434489 + 1260434490.

It is an arithmetic number, because the mean of its divisors is an integer number (1260434490).

Almost surely, 2^2520868979 is an apocalyptic number.

2520868979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520868979 is an equidigital number, since it uses as much as digits as its factorization.

2520868979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The square root of 2520868979 is about 50208.2560840346. The cubic root of 2520868979 is about 1360.9748235524.

The spelling of 2520868979 in words is "two billion, five hundred twenty million, eight hundred sixty-eight thousand, nine hundred seventy-nine".