650519874892 has 12 divisors (see below), whose sum is σ = 1166175873576. Its totient is φ = 317326768160.

The previous prime is 650519874871. The next prime is 650519874919. The reversal of 650519874892 is 298478915056.

It is a happy number.

It is a super-2 number, since 2×650519874892² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1983292138 + ... + 1983292465.

It is an arithmetic number, because the mean of its divisors is an integer number (97181322798).

Almost surely, 2^650519874892 is an apocalyptic number.

It is an amenable number.

650519874892 is a deficient number, since it is larger than the sum of its proper divisors (515655998684).

650519874892 is a wasteful number, since it uses less digits than its factorization.

650519874892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966584648 (or 3966584646 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 64.

The spelling of 650519874892 in words is "six hundred fifty billion, five hundred nineteen million, eight hundred seventy-four thousand, eight hundred ninety-two".