65632799231 has 2 divisors, whose sum is σ = 65632799232. Its totient is φ = 65632799230.

The previous prime is 65632799227. The next prime is 65632799237. The reversal of 65632799231 is 13299723656.

65632799231 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 is a cyclic number.

It is not a de Polignac number, because 65632799231 - 2² = 65632799227 is a prime.

It is a super-2 number, since 2×65632799231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65632799237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32816399615 + 32816399616.

It is an arithmetic number, because the mean of its divisors is an integer number (32816399616).

Almost surely, 2^65632799231 is an apocalyptic number.

65632799231 is a deficient number, since it is larger than the sum of its proper divisors (1).

65632799231 is an equidigital number, since it uses as much as digits as its factorization.

65632799231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 53.

The spelling of 65632799231 in words is "sixty-five billion, six hundred thirty-two million, seven hundred ninety-nine thousand, two hundred thirty-one".