18790879001 has 2 divisors, whose sum is σ = 18790879002. Its totient is φ = 18790879000.

The previous prime is 18790878971. The next prime is 18790879031. The reversal of 18790879001 is 10097809781.

It is a balanced prime because it is at equal distance from previous prime (18790878971) and next prime (18790879031).

It can be written as a sum of positive squares in only one way, i.e., 16448319001 + 2342560000 = 128251^2 + 48400^2 .

It is a cyclic number.

It is not a de Polignac number, because 18790879001 - 2²⁶ = 18723770137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (18790879031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9395439500 + 9395439501.

It is an arithmetic number, because the mean of its divisors is an integer number (9395439501).

Almost surely, 2^18790879001 is an apocalyptic number.

It is an amenable number.

18790879001 is a deficient number, since it is larger than the sum of its proper divisors (1).

18790879001 is an equidigital number, since it uses as much as digits as its factorization.

18790879001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 50.

The spelling of 18790879001 in words is "eighteen billion, seven hundred ninety million, eight hundred seventy-nine thousand, one".