650472647 has 6 divisors (see below), whose sum is σ = 714982464. Its totient is φ = 591338660.

The previous prime is 650472631. The next prime is 650472661. The reversal of 650472647 is 746274056.

It is not a de Polignac number, because 650472647 - 2⁴ = 650472631 is a prime.

It is a super-2 number, since 2×650472647² = 846229328990373218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650472607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2687783 + ... + 2688024.

It is an arithmetic number, because the mean of its divisors is an integer number (119163744).

Almost surely, 2^650472647 is an apocalyptic number.

650472647 is a deficient number, since it is larger than the sum of its proper divisors (64509817).

650472647 is a wasteful number, since it uses less digits than its factorization.

650472647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375829 (or 5375818 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The square root of 650472647 is about 25504.3652538149. The cubic root of 650472647 is about 866.4490161700.

The spelling of 650472647 in words is "six hundred fifty million, four hundred seventy-two thousand, six hundred forty-seven".