652212641421 has 48 divisors (see below), whose sum is σ = 1051799823360. Its totient is φ = 386025363360.

The previous prime is 652212641387. The next prime is 652212641453. The reversal of 652212641421 is 124146212256.

652212641421 is a `hidden beast` number, since 6 + 5 + 2 + 2 + 1 + 2 + 641 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 652212641421 - 2⁶ = 652212641357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652212641461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50136700 + ... + 50149706.

It is an arithmetic number, because the mean of its divisors is an integer number (21912496320).

Almost surely, 2^652212641421 is an apocalyptic number.

It is an amenable number.

652212641421 is a deficient number, since it is larger than the sum of its proper divisors (399587181939).

652212641421 is a wasteful number, since it uses less digits than its factorization.

652212641421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24846 (or 24843 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

Adding to 652212641421 its reverse (124146212256), we get a palindrome (776358853677).

The spelling of 652212641421 in words is "six hundred fifty-two billion, two hundred twelve million, six hundred forty-one thousand, four hundred twenty-one".