650926012021 has 8 divisors (see below), whose sum is σ = 711448545024. Its totient is φ = 592873786560.

The previous prime is 650926012007. The next prime is 650926012027. The reversal of 650926012021 is 120210629056.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 650926012021 - 2¹¹ = 650926009973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650926012027) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 617576335 + ... + 617577388.

It is an arithmetic number, because the mean of its divisors is an integer number (88931068128).

Almost surely, 2^650926012021 is an apocalyptic number.

It is an amenable number.

650926012021 is a deficient number, since it is larger than the sum of its proper divisors (60522533003).

650926012021 is a wasteful number, since it uses less digits than its factorization.

650926012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235153771.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 650926012021 in words is "six hundred fifty billion, nine hundred twenty-six million, twelve thousand, twenty-one".