453729616 has 20 divisors (see below), whose sum is σ = 900543924. Its totient is φ = 221331200.

The previous prime is 453729611. The next prime is 453729623. The reversal of 453729616 is 616927354.

It can be written as a sum of positive squares in 2 ways, for example, as 164865600 + 288864016 = 12840^2 + 16996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453729611) 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, 345175 + ... + 346486.

Almost surely, 2^453729616 is an apocalyptic number.

It is an amenable number.

453729616 is a deficient number, since it is larger than the sum of its proper divisors (446814308).

453729616 is a wasteful number, since it uses less digits than its factorization.

453729616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691710 (or 691704 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 453729616 is about 21300.9299327518. The cubic root of 453729616 is about 768.4206770091.

The spelling of 453729616 in words is "four hundred fifty-three million, seven hundred twenty-nine thousand, six hundred sixteen".