455765505671 has 4 divisors (see below), whose sum is σ = 520874863632. Its totient is φ = 390656147712.

The previous prime is 455765505647. The next prime is 455765505683. The reversal of 455765505671 is 176505567554.

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-455765505671 is a prime.

It is a super-3 number, since 3×455765505671³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455765505571) 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, 32554678970 + ... + 32554678983.

It is an arithmetic number, because the mean of its divisors is an integer number (130218715908).

Almost surely, 2^455765505671 is an apocalyptic number.

455765505671 is a deficient number, since it is larger than the sum of its proper divisors (65109357961).

455765505671 is an equidigital number, since it uses as much as digits as its factorization.

455765505671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65109357960.

The product of its (nonzero) digits is 22050000, while the sum is 56.

The spelling of 455765505671 in words is "four hundred fifty-five billion, seven hundred sixty-five million, five hundred five thousand, six hundred seventy-one".