65397901441 has 2 divisors, whose sum is σ = 65397901442. Its totient is φ = 65397901440.

The previous prime is 65397901411. The next prime is 65397901501. The reversal of 65397901441 is 14410979356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46552377600 + 18845523841 = 215760^2 + 137279^2 .

It is a cyclic number.

It is not a de Polignac number, because 65397901441 - 2⁷ = 65397901313 is a prime.

It is not a weakly prime, because it can be changed into another prime (65397901411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32698950720 + 32698950721.

It is an arithmetic number, because the mean of its divisors is an integer number (32698950721).

Almost surely, 2^65397901441 is an apocalyptic number.

It is an amenable number.

65397901441 is a deficient number, since it is larger than the sum of its proper divisors (1).

65397901441 is an equidigital number, since it uses as much as digits as its factorization.

65397901441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 65397901441 in words is "sixty-five billion, three hundred ninety-seven million, nine hundred one thousand, four hundred forty-one".