32664144631 has 2 divisors, whose sum is σ = 32664144632. Its totient is φ = 32664144630.

The previous prime is 32664144563. The next prime is 32664144661. The reversal of 32664144631 is 13644146623.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32664144631 - 2¹¹ = 32664142583 is a prime.

It is a super-3 number, since 3×32664144631³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32664144661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16332072315 + 16332072316.

It is an arithmetic number, because the mean of its divisors is an integer number (16332072316).

Almost surely, 2^32664144631 is an apocalyptic number.

32664144631 is a deficient number, since it is larger than the sum of its proper divisors (1).

32664144631 is an equidigital number, since it uses as much as digits as its factorization.

32664144631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 40.

The spelling of 32664144631 in words is "thirty-two billion, six hundred sixty-four million, one hundred forty-four thousand, six hundred thirty-one".