32402249309 has 2 divisors, whose sum is σ = 32402249310. Its totient is φ = 32402249308.

The previous prime is 32402249263. The next prime is 32402249359. The reversal of 32402249309 is 90394220423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28019412100 + 4382837209 = 167390^2 + 66203^2 .

It is a cyclic number.

It is not a de Polignac number, because 32402249309 - 2²⁸ = 32133813853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32402249359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16201124654 + 16201124655.

It is an arithmetic number, because the mean of its divisors is an integer number (16201124655).

Almost surely, 2^32402249309 is an apocalyptic number.

It is an amenable number.

32402249309 is a deficient number, since it is larger than the sum of its proper divisors (1).

32402249309 is an equidigital number, since it uses as much as digits as its factorization.

32402249309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 32402249309 in words is "thirty-two billion, four hundred two million, two hundred forty-nine thousand, three hundred nine".