41397579989 has 2 divisors, whose sum is σ = 41397579990. Its totient is φ = 41397579988.

The previous prime is 41397579973. The next prime is 41397580013. The reversal of 41397579989 is 98997579314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29780404900 + 11617175089 = 172570^2 + 107783^2 .

It is a cyclic number.

It is not a de Polignac number, because 41397579989 - 2⁴ = 41397579973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41397579689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20698789994 + 20698789995.

It is an arithmetic number, because the mean of its divisors is an integer number (20698789995).

Almost surely, 2^41397579989 is an apocalyptic number.

It is an amenable number.

41397579989 is a deficient number, since it is larger than the sum of its proper divisors (1).

41397579989 is an equidigital number, since it uses as much as digits as its factorization.

41397579989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 154314720, while the sum is 71.

The spelling of 41397579989 in words is "forty-one billion, three hundred ninety-seven million, five hundred seventy-nine thousand, nine hundred eighty-nine".