32972389693 has 2 divisors, whose sum is σ = 32972389694. Its totient is φ = 32972389692.

The previous prime is 32972389691. The next prime is 32972389759. The reversal of 32972389693 is 39698327923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21526171524 + 11446218169 = 146718^2 + 106987^2 .

It is a cyclic number.

It is not a de Polignac number, because 32972389693 - 2¹ = 32972389691 is a prime.

Together with 32972389691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32972389691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16486194846 + 16486194847.

It is an arithmetic number, because the mean of its divisors is an integer number (16486194847).

Almost surely, 2^32972389693 is an apocalyptic number.

It is an amenable number.

32972389693 is a deficient number, since it is larger than the sum of its proper divisors (1).

32972389693 is an equidigital number, since it uses as much as digits as its factorization.

32972389693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26453952, while the sum is 61.

The spelling of 32972389693 in words is "thirty-two billion, nine hundred seventy-two million, three hundred eighty-nine thousand, six hundred ninety-three".