455385385289 has 4 divisors (see below), whose sum is σ = 458661539280. Its totient is φ = 452109231300.

The previous prime is 455385385277. The next prime is 455385385331. The reversal of 455385385289 is 982583583554.

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 455385385289 - 2¹² = 455385381193 is a prime.

It is a super-2 number, since 2×455385385289² (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 (455385385229) 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, 1638076787 + ... + 1638077064.

It is an arithmetic number, because the mean of its divisors is an integer number (114665384820).

Almost surely, 2^455385385289 is an apocalyptic number.

It is an amenable number.

455385385289 is a deficient number, since it is larger than the sum of its proper divisors (3276153991).

455385385289 is a wasteful number, since it uses less digits than its factorization.

455385385289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276153990.

The product of its digits is 207360000, while the sum is 65.

The spelling of 455385385289 in words is "four hundred fifty-five billion, three hundred eighty-five million, three hundred eighty-five thousand, two hundred eighty-nine".