633442311266065 has 16 divisors (see below), whose sum is σ = 874474002466560. Its totient is φ = 431483882788800.

The previous prime is 633442311265979. The next prime is 633442311266069. The reversal of 633442311266065 is 560662113244336.

It is not a de Polignac number, because 633442311266065 - 2⁹ = 633442311265553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (633442311266069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59928311770 + ... + 59928322339.

It is an arithmetic number, because the mean of its divisors is an integer number (54654625154160).

Almost surely, 2^{633442311266065} is an apocalyptic number.

It is an amenable number.

633442311266065 is a deficient number, since it is larger than the sum of its proper divisors (241031691200495).

633442311266065 is a wasteful number, since it uses less digits than its factorization.

633442311266065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119856634272.

The product of its (nonzero) digits is 11197440, while the sum is 52.

The spelling of 633442311266065 in words is "six hundred thirty-three trillion, four hundred forty-two billion, three hundred eleven million, two hundred sixty-six thousand, sixty-five".