18979200683 has 2 divisors, whose sum is σ = 18979200684. Its totient is φ = 18979200682.

The previous prime is 18979200679. The next prime is 18979200791. The reversal of 18979200683 is 38600297981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18979200683 - 2² = 18979200679 is a prime.

It is not a weakly prime, because it can be changed into another prime (18979200083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9489600341 + 9489600342.

It is an arithmetic number, because the mean of its divisors is an integer number (9489600342).

Almost surely, 2^18979200683 is an apocalyptic number.

18979200683 is a deficient number, since it is larger than the sum of its proper divisors (1).

18979200683 is an equidigital number, since it uses as much as digits as its factorization.

18979200683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 18979200683 in words is "eighteen billion, nine hundred seventy-nine million, two hundred thousand, six hundred eighty-three".