650518045492 has 24 divisors (see below), whose sum is σ = 1369511675840. Its totient is φ = 264120108480.

The previous prime is 650518045421. The next prime is 650518045501. The reversal of 650518045492 is 294540815056.

It is a happy 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, 611388609 + ... + 611389672.

Almost surely, 2^650518045492 is an apocalyptic number.

It is an amenable number.

650518045492 is an abundant number, since it is smaller than the sum of its proper divisors (718993630348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650518045492 is a wasteful number, since it uses less digits than its factorization.

650518045492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222778311 (or 1222778309 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 650518045492 in words is "six hundred fifty billion, five hundred eighteen million, forty-five thousand, four hundred ninety-two".