455720513647 has 16 divisors (see below), whose sum is σ = 525743861760. Its totient is φ = 386928006048.

The previous prime is 455720513623. The next prime is 455720513681. The reversal of 455720513647 is 746315027554.

It is a cyclic number.

It is not a de Polignac number, because 455720513647 - 2¹⁹ = 455719989359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 455720513647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455720510647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9322393 + ... + 9371149.

It is an arithmetic number, because the mean of its divisors is an integer number (32858991360).

Almost surely, 2^455720513647 is an apocalyptic number.

455720513647 is a deficient number, since it is larger than the sum of its proper divisors (70023348113).

455720513647 is a wasteful number, since it uses less digits than its factorization.

455720513647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61350.

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 455720513647 in words is "four hundred fifty-five billion, seven hundred twenty million, five hundred thirteen thousand, six hundred forty-seven".