6452757815 has 32 divisors (see below), whose sum is σ = 9178281600. Its totient is φ = 4352140800.

The previous prime is 6452757767. The next prime is 6452757821. The reversal of 6452757815 is 5187572546.

6452757815 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6452757815 - 2⁸ = 6452757559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73775 + ... + 135455.

It is an arithmetic number, because the mean of its divisors is an integer number (286821300).

Almost surely, 2^6452757815 is an apocalyptic number.

6452757815 is a deficient number, since it is larger than the sum of its proper divisors (2725523785).

6452757815 is an equidigital number, since it uses as much as digits as its factorization.

6452757815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61768 (or 61754 counting only the distinct ones).

The product of its digits is 2352000, while the sum is 50.

The square root of 6452757815 is about 80329.0595924040. The cubic root of 6452757815 is about 1861.7232473521.

The spelling of 6452757815 in words is "six billion, four hundred fifty-two million, seven hundred fifty-seven thousand, eight hundred fifteen".