3639900079 has 2 divisors, whose sum is σ = 3639900080. Its totient is φ = 3639900078.

The previous prime is 3639900067. The next prime is 3639900083. The reversal of 3639900079 is 9700099363.

It is a strong prime.

It is an emirp because it is prime and its reverse (9700099363) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3639900079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3639900059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1819950039 + 1819950040.

It is an arithmetic number, because the mean of its divisors is an integer number (1819950040).

Almost surely, 2^3639900079 is an apocalyptic number.

3639900079 is a deficient number, since it is larger than the sum of its proper divisors (1).

3639900079 is an equidigital number, since it uses as much as digits as its factorization.

3639900079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 275562, while the sum is 46.

The square root of 3639900079 is about 60331.5844230864. The cubic root of 3639900079 is about 1538.2602604347.

The spelling of 3639900079 in words is "three billion, six hundred thirty-nine million, nine hundred thousand, seventy-nine".