650405212516 has 96 divisors (see below), whose sum is σ = 1238056710912. Its totient is φ = 297852334080.

The previous prime is 650405212493. The next prime is 650405212547. The reversal of 650405212516 is 615212504056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151360480 + ... + 151364776.

It is an arithmetic number, because the mean of its divisors is an integer number (12896424072).

Almost surely, 2^650405212516 is an apocalyptic number.

It is an amenable number.

650405212516 is a deficient number, since it is larger than the sum of its proper divisors (587651498396).

650405212516 is a wasteful number, since it uses less digits than its factorization.

650405212516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789 (or 4787 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 650405212516 in words is "six hundred fifty billion, four hundred five million, two hundred twelve thousand, five hundred sixteen".