6459094731 has 4 divisors (see below), whose sum is σ = 8612126312. Its totient is φ = 4306063152.

The previous prime is 6459094727. The next prime is 6459094753. The reversal of 6459094731 is 1374909546.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6459094731 - 2² = 6459094727 is a prime.

It is a super-2 number, since 2×6459094731² = 83439809488063924722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6459094771) 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, 1076515786 + ... + 1076515791.

It is an arithmetic number, because the mean of its divisors is an integer number (2153031578).

Almost surely, 2^6459094731 is an apocalyptic number.

6459094731 is a deficient number, since it is larger than the sum of its proper divisors (2153031581).

6459094731 is a wasteful number, since it uses less digits than its factorization.

6459094731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153031580.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 6459094731 is about 80368.4933975995. The cubic root of 6459094731 is about 1862.3324816437.

The spelling of 6459094731 in words is "six billion, four hundred fifty-nine million, ninety-four thousand, seven hundred thirty-one".