455573689 has 2 divisors, whose sum is σ = 455573690. Its totient is φ = 455573688.

The previous prime is 455573663. The next prime is 455573693. The reversal of 455573689 is 986375554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283754025 + 171819664 = 16845^2 + 13108^2 .

It is a cyclic number.

It is not a de Polignac number, because 455573689 - 2²⁷ = 321355961 is a prime.

It is a super-2 number, since 2×455573689² = 415094772218137442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (455573189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227786844 + 227786845.

It is an arithmetic number, because the mean of its divisors is an integer number (227786845).

Almost surely, 2^455573689 is an apocalyptic number.

It is an amenable number.

455573689 is a deficient number, since it is larger than the sum of its proper divisors (1).

455573689 is an equidigital number, since it uses as much as digits as its factorization.

455573689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536000, while the sum is 52.

The square root of 455573689 is about 21344.1722491176. The cubic root of 455573689 is about 769.4602891338.

The spelling of 455573689 in words is "four hundred fifty-five million, five hundred seventy-three thousand, six hundred eighty-nine".