653451466 has 4 divisors (see below), whose sum is σ = 980177202. Its totient is φ = 326725732.

The previous prime is 653451433. The next prime is 653451479. The reversal of 653451466 is 664154356.

653451466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 509811241 + 143640225 = 22579^2 + 11985^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163362865 + ... + 163362868.

Almost surely, 2^653451466 is an apocalyptic number.

653451466 is a deficient number, since it is larger than the sum of its proper divisors (326725736).

653451466 is a wasteful number, since it uses less digits than its factorization.

653451466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326725735.

The product of its digits is 259200, while the sum is 40.

The square root of 653451466 is about 25562.6967669689. The cubic root of 653451466 is about 867.7696276440.

The spelling of 653451466 in words is "six hundred fifty-three million, four hundred fifty-one thousand, four hundred sixty-six".