32994232421 has 2 divisors, whose sum is σ = 32994232422. Its totient is φ = 32994232420.

The previous prime is 32994232399. The next prime is 32994232423. The reversal of 32994232421 is 12423249923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25804888321 + 7189344100 = 160639^2 + 84790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32994232421 is a prime.

Together with 32994232423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32994232423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16497116210 + 16497116211.

It is an arithmetic number, because the mean of its divisors is an integer number (16497116211).

Almost surely, 2^32994232421 is an apocalyptic number.

It is an amenable number.

32994232421 is a deficient number, since it is larger than the sum of its proper divisors (1).

32994232421 is an equidigital number, since it uses as much as digits as its factorization.

32994232421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 41.

The spelling of 32994232421 in words is "thirty-two billion, nine hundred ninety-four million, two hundred thirty-two thousand, four hundred twenty-one".