455740709 has 4 divisors (see below), whose sum is σ = 482549004. Its totient is φ = 428932416.

The previous prime is 455740687. The next prime is 455740711. The reversal of 455740709 is 907047554.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 372876100 + 82864609 = 19310^2 + 9103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455740709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455740759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13404122 + ... + 13404155.

It is an arithmetic number, because the mean of its divisors is an integer number (120637251).

Almost surely, 2^455740709 is an apocalyptic number.

It is an amenable number.

455740709 is a deficient number, since it is larger than the sum of its proper divisors (26808295).

455740709 is a wasteful number, since it uses less digits than its factorization.

455740709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26808294.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 455740709 is about 21348.0844339721. The cubic root of 455740709 is about 769.5543094563.

The spelling of 455740709 in words is "four hundred fifty-five million, seven hundred forty thousand, seven hundred nine".