795497018989 has 2 divisors, whose sum is σ = 795497018990. Its totient is φ = 795497018988.

The previous prime is 795497018951. The next prime is 795497019013. The reversal of 795497018989 is 989810794597.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 717480149764 + 78016869225 = 847042^2 + 279315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-795497018989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (795497010989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397748509494 + 397748509495.

It is an arithmetic number, because the mean of its divisors is an integer number (397748509495).

Almost surely, 2^795497018989 is an apocalyptic number.

It is an amenable number.

795497018989 is a deficient number, since it is larger than the sum of its proper divisors (1).

795497018989 is an equidigital number, since it uses as much as digits as its factorization.

795497018989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 411505920, while the sum is 76.

The spelling of 795497018989 in words is "seven hundred ninety-five billion, four hundred ninety-seven million, eighteen thousand, nine hundred eighty-nine".