455291610989 has 2 divisors, whose sum is σ = 455291610990. Its totient is φ = 455291610988.

The previous prime is 455291610979. The next prime is 455291611037. The reversal of 455291610989 is 989016192554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455243030089 + 48580900 = 674717^2 + 6970^2 .

It is a cyclic number.

It is not a de Polignac number, because 455291610989 - 2⁸ = 455291610733 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455291610979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227645805494 + 227645805495.

It is an arithmetic number, because the mean of its divisors is an integer number (227645805495).

Almost surely, 2^455291610989 is an apocalyptic number.

It is an amenable number.

455291610989 is a deficient number, since it is larger than the sum of its proper divisors (1).

455291610989 is an equidigital number, since it uses as much as digits as its factorization.

455291610989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6998400, while the sum is 59.

The spelling of 455291610989 in words is "four hundred fifty-five billion, two hundred ninety-one million, six hundred ten thousand, nine hundred eighty-nine".