41397540077 has 2 divisors, whose sum is σ = 41397540078. Its totient is φ = 41397540076.

The previous prime is 41397540013. The next prime is 41397540083. The reversal of 41397540077 is 77004579314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30873652681 + 10523887396 = 175709^2 + 102586^2 .

It is a cyclic number.

It is not a de Polignac number, because 41397540077 - 2⁶ = 41397540013 is a prime.

It is a super-3 number, since 3×41397540077³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41397540097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20698770038 + 20698770039.

It is an arithmetic number, because the mean of its divisors is an integer number (20698770039).

Almost surely, 2^41397540077 is an apocalyptic number.

It is an amenable number.

41397540077 is a deficient number, since it is larger than the sum of its proper divisors (1).

41397540077 is an equidigital number, since it uses as much as digits as its factorization.

41397540077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 740880, while the sum is 47.

The spelling of 41397540077 in words is "forty-one billion, three hundred ninety-seven million, five hundred forty thousand, seventy-seven".