6455742918 has 32 divisors (see below), whose sum is σ = 12984596352. Its totient is φ = 2139748800.

The previous prime is 6455742871. The next prime is 6455742941. The reversal of 6455742918 is 8192475546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2177305 + ... + 2180267.

It is an arithmetic number, because the mean of its divisors is an integer number (405768636).

Almost surely, 2^6455742918 is an apocalyptic number.

6455742918 is an abundant number, since it is smaller than the sum of its proper divisors (6528853434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6455742918 is a wasteful number, since it uses less digits than its factorization.

6455742918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4900.

The product of its digits is 2419200, while the sum is 51.

The square root of 6455742918 is about 80347.6379117644. The cubic root of 6455742918 is about 1862.0102863235.

The spelling of 6455742918 in words is "six billion, four hundred fifty-five million, seven hundred forty-two thousand, nine hundred eighteen".