6402105455 has 4 divisors (see below), whose sum is σ = 7682526552. Its totient is φ = 5121684360.

The previous prime is 6402105401. The next prime is 6402105467. The reversal of 6402105455 is 5545012046.

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

It is not a de Polignac number, because 6402105455 - 2²² = 6397911151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640210541 + ... + 640210550.

It is an arithmetic number, because the mean of its divisors is an integer number (1920631638).

Almost surely, 2^6402105455 is an apocalyptic number.

6402105455 is a deficient number, since it is larger than the sum of its proper divisors (1280421097).

6402105455 is a wasteful number, since it uses less digits than its factorization.

6402105455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280421096.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 6402105455 is about 80013.1580116671. The cubic root of 6402105455 is about 1856.8391081316.

The spelling of 6402105455 in words is "six billion, four hundred two million, one hundred five thousand, four hundred fifty-five".