646552525233433 has 16 divisors (see below), whose sum is σ = 795768195067776. Its totient is φ = 511550815628160.

The previous prime is 646552525233397. The next prime is 646552525233497. The reversal of 646552525233433 is 334332525255646.

It is not a de Polignac number, because 646552525233433 - 2²⁹ = 646551988362521 is a prime.

It is a super-2 number, since 2×646552525233433² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (646552525237433) 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, 43700791 + ... + 56593852.

It is an arithmetic number, because the mean of its divisors is an integer number (49735512191736).

Almost surely, 2^{646552525233433} is an apocalyptic number.

It is an amenable number.

646552525233433 is a deficient number, since it is larger than the sum of its proper divisors (149215669834343).

646552525233433 is a wasteful number, since it uses less digits than its factorization.

646552525233433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100365504.

The product of its digits is 233280000, while the sum is 58.

The spelling of 646552525233433 in words is "six hundred forty-six trillion, five hundred fifty-two billion, five hundred twenty-five million, two hundred thirty-three thousand, four hundred thirty-three".