6455919455 has 4 divisors (see below), whose sum is σ = 7747103352. Its totient is φ = 5164735560.

The previous prime is 6455919443. The next prime is 6455919461. The reversal of 6455919455 is 5549195546.

It is a happy number.

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

It is not a de Polignac number, because 6455919455 - 2⁶ = 6455919391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6455919397 and 6455919406.

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, 645591941 + ... + 645591950.

It is an arithmetic number, because the mean of its divisors is an integer number (1936775838).

Almost surely, 2^6455919455 is an apocalyptic number.

6455919455 is a deficient number, since it is larger than the sum of its proper divisors (1291183897).

6455919455 is a wasteful number, since it uses less digits than its factorization.

6455919455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291183896.

The product of its digits is 4860000, while the sum is 53.

The square root of 6455919455 is about 80348.7364866430. The cubic root of 6455919455 is about 1862.0272588454.

The spelling of 6455919455 in words is "six billion, four hundred fifty-five million, nine hundred nineteen thousand, four hundred fifty-five".