455458643639 has 4 divisors (see below), whose sum is σ = 458783159424. Its totient is φ = 452134127856.

The previous prime is 455458643617. The next prime is 455458643677. The reversal of 455458643639 is 936346854554.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455458643639 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 (455458643699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1662257687 + ... + 1662257960.

It is an arithmetic number, because the mean of its divisors is an integer number (114695789856).

Almost surely, 2^455458643639 is an apocalyptic number.

455458643639 is a deficient number, since it is larger than the sum of its proper divisors (3324515785).

455458643639 is a wasteful number, since it uses less digits than its factorization.

455458643639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324515784.

The product of its digits is 186624000, while the sum is 62.

The spelling of 455458643639 in words is "four hundred fifty-five billion, four hundred fifty-eight million, six hundred forty-three thousand, six hundred thirty-nine".