764644065051 has 16 divisors (see below), whose sum is σ = 1031965361280. Its totient is φ = 503544602880.

The previous prime is 764644065023. The next prime is 764644065077. The reversal of 764644065051 is 150560446467.

764644065051 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 764644065051 - 2¹⁴ = 764644048667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (764644065551) 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, 1436016 + ... + 1895106.

It is an arithmetic number, because the mean of its divisors is an integer number (64497835080).

Almost surely, 2^764644065051 is an apocalyptic number.

764644065051 is a deficient number, since it is larger than the sum of its proper divisors (267321296229).

764644065051 is a wasteful number, since it uses less digits than its factorization.

764644065051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465866.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 764644065051 in words is "seven hundred sixty-four billion, six hundred forty-four million, sixty-five thousand, fifty-one".