264064446503 has 16 divisors (see below), whose sum is σ = 310306411296. Its totient is φ = 221537648640.

The previous prime is 264064446473. The next prime is 264064446553. The reversal of 264064446503 is 305644460462.

It is not a de Polignac number, because 264064446503 - 2²⁴ = 264047669287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264064446553) 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, 355751 + ... + 809127.

It is an arithmetic number, because the mean of its divisors is an integer number (19394150706).

Almost surely, 2^264064446503 is an apocalyptic number.

264064446503 is a deficient number, since it is larger than the sum of its proper divisors (46241964793).

264064446503 is a wasteful number, since it uses less digits than its factorization.

264064446503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457474.

The product of its (nonzero) digits is 1658880, while the sum is 44.

The spelling of 264064446503 in words is "two hundred sixty-four billion, sixty-four million, four hundred forty-six thousand, five hundred three".