650637465 has 16 divisors (see below), whose sum is σ = 1046256000. Its totient is φ = 345261312.

The previous prime is 650637457. The next prime is 650637509. The reversal of 650637465 is 564736056.

It is not a de Polignac number, because 650637465 - 2³ = 650637457 is a prime.

It is a super-2 number, since 2×650637465² = 846658221723252450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106000 + ... + 111969.

It is an arithmetic number, because the mean of its divisors is an integer number (65391000).

Almost surely, 2^650637465 is an apocalyptic number.

It is an amenable number.

650637465 is a deficient number, since it is larger than the sum of its proper divisors (395618535).

650637465 is a wasteful number, since it uses less digits than its factorization.

650637465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218176.

The product of its (nonzero) digits is 453600, while the sum is 42.

The square root of 650637465 is about 25507.5962215180. The cubic root of 650637465 is about 866.5221908248.

The spelling of 650637465 in words is "six hundred fifty million, six hundred thirty-seven thousand, four hundred sixty-five".