41396668081 has 2 divisors, whose sum is σ = 41396668082. Its totient is φ = 41396668080.

The previous prime is 41396668043. The next prime is 41396668129. The reversal of 41396668081 is 18086669314.

41396668081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41006250000 + 390418081 = 202500^2 + 19759^2 .

It is a cyclic number.

It is not a de Polignac number, because 41396668081 - 2²¹ = 41394570929 is a prime.

It is a super-2 number, since 2×41396668081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41396668021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20698334040 + 20698334041.

It is an arithmetic number, because the mean of its divisors is an integer number (20698334041).

Almost surely, 2^41396668081 is an apocalyptic number.

It is an amenable number.

41396668081 is a deficient number, since it is larger than the sum of its proper divisors (1).

41396668081 is an equidigital number, since it uses as much as digits as its factorization.

41396668081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 41396668081 in words is "forty-one billion, three hundred ninety-six million, six hundred sixty-eight thousand, eighty-one".