5312644505 has 16 divisors (see below), whose sum is σ = 7292830464. Its totient is φ = 3639497280.

The previous prime is 5312644501. The next prime is 5312644523. The reversal of 5312644505 is 5054462135.

It is not a de Polignac number, because 5312644505 - 2² = 5312644501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5312644501) 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, 34397 + ... + 108666.

It is an arithmetic number, because the mean of its divisors is an integer number (455801904).

Almost surely, 2^5312644505 is an apocalyptic number.

It is an amenable number.

5312644505 is a deficient number, since it is larger than the sum of its proper divisors (1980185959).

5312644505 is a wasteful number, since it uses less digits than its factorization.

5312644505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144136.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 5312644505 is about 72887.8899749471. The cubic root of 5312644505 is about 1744.8988324038.

The spelling of 5312644505 in words is "five billion, three hundred twelve million, six hundred forty-four thousand, five hundred five".