455204753217 has 6 divisors (see below), whose sum is σ = 657517976882. Its totient is φ = 303469835472.

The previous prime is 455204753203. The next prime is 455204753239. The reversal of 455204753217 is 712357402554.

455204753217 is a `hidden beast` number, since 4 + 55 + 20 + 47 + 532 + 1 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 298666622016 + 156538131201 = 546504^2 + 395649^2 .

It is not a de Polignac number, because 455204753217 - 2⁶ = 455204753153 is a prime.

It is a super-2 number, since 2×455204753217² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455204753257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25289152948 + ... + 25289152965.

Almost surely, 2^455204753217 is an apocalyptic number.

It is an amenable number.

455204753217 is a deficient number, since it is larger than the sum of its proper divisors (202313223665).

455204753217 is a wasteful number, since it uses less digits than its factorization.

455204753217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50578305919 (or 50578305916 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 45.

The spelling of 455204753217 in words is "four hundred fifty-five billion, two hundred four million, seven hundred fifty-three thousand, two hundred seventeen".