650969433823 has 16 divisors (see below), whose sum is σ = 655314416640. Its totient is φ = 646639886016.

The previous prime is 650969433809. The next prime is 650969433857. The reversal of 650969433823 is 328334969056.

It is a cyclic number.

It is not a de Polignac number, because 650969433823 - 2²¹ = 650967336671 is a prime.

It is a super-2 number, since 2×650969433823² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650969433883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263869636 + ... + 263872102.

It is an arithmetic number, because the mean of its divisors is an integer number (40957151040).

Almost surely, 2^650969433823 is an apocalyptic number.

650969433823 is a deficient number, since it is larger than the sum of its proper divisors (4344982817).

650969433823 is a wasteful number, since it uses less digits than its factorization.

650969433823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4926.

The product of its (nonzero) digits is 25194240, while the sum is 58.

The spelling of 650969433823 in words is "six hundred fifty billion, nine hundred sixty-nine million, four hundred thirty-three thousand, eight hundred twenty-three".