6459090687 has 32 divisors (see below), whose sum is σ = 11579328000. Its totient is φ = 3473794944.

The previous prime is 6459090647. The next prime is 6459090691. The reversal of 6459090687 is 7860909546.

It is not a de Polignac number, because 6459090687 - 2⁶ = 6459090623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6459090637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1001937 + ... + 1008362.

It is an arithmetic number, because the mean of its divisors is an integer number (361854000).

Almost surely, 2^6459090687 is an apocalyptic number.

6459090687 is a deficient number, since it is larger than the sum of its proper divisors (5120237313).

6459090687 is a wasteful number, since it uses less digits than its factorization.

6459090687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010332 (or 2010326 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 6459090687 is about 80368.4682384827. The cubic root of 6459090687 is about 1862.3320929786.

The spelling of 6459090687 in words is "six billion, four hundred fifty-nine million, ninety thousand, six hundred eighty-seven".