455137693 has 2 divisors, whose sum is σ = 455137694. Its totient is φ = 455137692.

The previous prime is 455137681. The next prime is 455137717. The reversal of 455137693 is 396731554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455096889 + 40804 = 21333^2 + 202^2 .

It is a cyclic number.

It is not a de Polignac number, because 455137693 - 2⁹ = 455137181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455137603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227568846 + 227568847.

It is an arithmetic number, because the mean of its divisors is an integer number (227568847).

Almost surely, 2^455137693 is an apocalyptic number.

It is an amenable number.

455137693 is a deficient number, since it is larger than the sum of its proper divisors (1).

455137693 is an equidigital number, since it uses as much as digits as its factorization.

455137693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 43.

The square root of 455137693 is about 21333.9563372573. The cubic root of 455137693 is about 769.2147462101.

The spelling of 455137693 in words is "four hundred fifty-five million, one hundred thirty-seven thousand, six hundred ninety-three".