650294729216 has 80 divisors (see below), whose sum is σ = 1444184093088. Its totient is φ = 290011238400.

The previous prime is 650294729213. The next prime is 650294729221. The reversal of 650294729216 is 612927492056.

It is a super-2 number, since 2×650294729216² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is not an unprimeable number, because it can be changed into a prime (650294729213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790790 + ... + 1387781.

Almost surely, 2^650294729216 is an apocalyptic number.

It is an amenable number.

650294729216 is an abundant number, since it is smaller than the sum of its proper divisors (793889363872).

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

650294729216 is a wasteful number, since it uses less digits than its factorization.

650294729216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178653 (or 2178637 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 650294729216 in words is "six hundred fifty billion, two hundred ninety-four million, seven hundred twenty-nine thousand, two hundred sixteen".