473651645 has 8 divisors (see below), whose sum is σ = 568564056. Its totient is φ = 378799936.

The previous prime is 473651623. The next prime is 473651687. The reversal of 473651645 is 546156374.

It can be written as a sum of positive squares in 4 ways, for example, as 160326244 + 313325401 = 12662^2 + 17701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 473651645 - 2⁸ = 473651389 is a prime.

It is a super-2 number, since 2×473651645² = 448691761622412050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4259 + ... + 31071.

It is an arithmetic number, because the mean of its divisors is an integer number (71070507).

Almost surely, 2^473651645 is an apocalyptic number.

It is an amenable number.

473651645 is a deficient number, since it is larger than the sum of its proper divisors (94912411).

473651645 is a wasteful number, since it uses less digits than its factorization.

473651645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30351.

The product of its digits is 302400, while the sum is 41.

The square root of 473651645 is about 21763.5393491040. The cubic root of 473651645 is about 779.5063965551.

The spelling of 473651645 in words is "four hundred seventy-three million, six hundred fifty-one thousand, six hundred forty-five".