32199387397 has 2 divisors, whose sum is σ = 32199387398. Its totient is φ = 32199387396.

The previous prime is 32199387373. The next prime is 32199387449. The reversal of 32199387397 is 79378399123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31894745281 + 304642116 = 178591^2 + 17454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32199387397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32199387317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16099693698 + 16099693699.

It is an arithmetic number, because the mean of its divisors is an integer number (16099693699).

Almost surely, 2^32199387397 is an apocalyptic number.

It is an amenable number.

32199387397 is a deficient number, since it is larger than the sum of its proper divisors (1).

32199387397 is an equidigital number, since it uses as much as digits as its factorization.

32199387397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15431472, while the sum is 61.

The spelling of 32199387397 in words is "thirty-two billion, one hundred ninety-nine million, three hundred eighty-seven thousand, three hundred ninety-seven".