6455918453 has 4 divisors (see below), whose sum is σ = 6835678380. Its totient is φ = 6076158528.

The previous prime is 6455918431. The next prime is 6455918467. The reversal of 6455918453 is 3548195546.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5354873329 + 1101045124 = 73177^2 + 33182^2 .

It is a cyclic number.

It is not a de Polignac number, because 6455918453 - 2⁸ = 6455918197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6455918153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189879938 + ... + 189879971.

It is an arithmetic number, because the mean of its divisors is an integer number (1708919595).

Almost surely, 2^6455918453 is an apocalyptic number.

It is an amenable number.

6455918453 is a deficient number, since it is larger than the sum of its proper divisors (379759927).

6455918453 is a wasteful number, since it uses less digits than its factorization.

6455918453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379759926.

The product of its digits is 2592000, while the sum is 50.

The square root of 6455918453 is about 80348.7302513238. The cubic root of 6455918453 is about 1862.0271625126.

The spelling of 6455918453 in words is "six billion, four hundred fifty-five million, nine hundred eighteen thousand, four hundred fifty-three".