455253303509 has 4 divisors (see below), whose sum is σ = 456441954816. Its totient is φ = 454064652204.

The previous prime is 455253303457. The next prime is 455253303523. The reversal of 455253303509 is 905303352554.

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 455253303509 - 2²⁸ = 454984868053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 455253303509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455253303209) 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, 594325079 + ... + 594325844.

It is an arithmetic number, because the mean of its divisors is an integer number (114110488704).

Almost surely, 2^455253303509 is an apocalyptic number.

It is an amenable number.

455253303509 is a deficient number, since it is larger than the sum of its proper divisors (1188651307).

455253303509 is a wasteful number, since it uses less digits than its factorization.

455253303509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188651306.

The product of its (nonzero) digits is 1215000, while the sum is 44.

The spelling of 455253303509 in words is "four hundred fifty-five billion, two hundred fifty-three million, three hundred three thousand, five hundred nine".