264703036673 has 4 divisors (see below), whose sum is σ = 269189528880. Its totient is φ = 260216544468.

The previous prime is 264703036519. The next prime is 264703036691. The reversal of 264703036673 is 376630307462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264703036673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264703030673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243246015 + ... + 2243246132.

It is an arithmetic number, because the mean of its divisors is an integer number (67297382220).

Almost surely, 2^264703036673 is an apocalyptic number.

It is an amenable number.

264703036673 is a deficient number, since it is larger than the sum of its proper divisors (4486492207).

264703036673 is an equidigital number, since it uses as much as digits as its factorization.

264703036673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4486492206.

The product of its (nonzero) digits is 2286144, while the sum is 47.

The spelling of 264703036673 in words is "two hundred sixty-four billion, seven hundred three million, thirty-six thousand, six hundred seventy-three".