2506694579 has 2 divisors, whose sum is σ = 2506694580. Its totient is φ = 2506694578.

The previous prime is 2506694551. The next prime is 2506694587. The reversal of 2506694579 is 9754966052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2506694579 - 2²⁴ = 2489917363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2506694579.

It is not a weakly prime, because it can be changed into another prime (2506694539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253347289 + 1253347290.

It is an arithmetic number, because the mean of its divisors is an integer number (1253347290).

Almost surely, 2^2506694579 is an apocalyptic number.

2506694579 is a deficient number, since it is larger than the sum of its proper divisors (1).

2506694579 is an equidigital number, since it uses as much as digits as its factorization.

2506694579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The square root of 2506694579 is about 50066.9010325185. The cubic root of 2506694579 is about 1358.4191874206.

The spelling of 2506694579 in words is "two billion, five hundred six million, six hundred ninety-four thousand, five hundred seventy-nine".