455972008309 has 4 divisors (see below), whose sum is σ = 456108244704. Its totient is φ = 455835771916.

The previous prime is 455972008237. The next prime is 455972008333. The reversal of 455972008309 is 903800279554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 455972008309 - 2¹⁷ = 455971877237 is a prime.

It is a super-2 number, since 2×455972008309² (a number of 24 digits) contains 22 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 (455972009309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68113177 + ... + 68119870.

It is an arithmetic number, because the mean of its divisors is an integer number (114027061176).

Almost surely, 2^455972008309 is an apocalyptic number.

It is an amenable number.

455972008309 is a deficient number, since it is larger than the sum of its proper divisors (136236395).

455972008309 is a wasteful number, since it uses less digits than its factorization.

455972008309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136236394.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 455972008309 in words is "four hundred fifty-five billion, nine hundred seventy-two million, eight thousand, three hundred nine".