2639079973 has 2 divisors, whose sum is σ = 2639079974. Its totient is φ = 2639079972.

The previous prime is 2639079967. The next prime is 2639079977. The reversal of 2639079973 is 3799709362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2583993889 + 55086084 = 50833^2 + 7422^2 .

It is a cyclic number.

It is not a de Polignac number, because 2639079973 - 2¹³ = 2639071781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2639079977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319539986 + 1319539987.

It is an arithmetic number, because the mean of its divisors is an integer number (1319539987).

Almost surely, 2^2639079973 is an apocalyptic number.

It is an amenable number.

2639079973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2639079973 is an equidigital number, since it uses as much as digits as its factorization.

2639079973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3857868, while the sum is 55.

The square root of 2639079973 is about 51371.9765339042. The cubic root of 2639079973 is about 1381.9240774505.

The spelling of 2639079973 in words is "two billion, six hundred thirty-nine million, seventy-nine thousand, nine hundred seventy-three".