32199387449 has 2 divisors, whose sum is σ = 32199387450. Its totient is φ = 32199387448.

The previous prime is 32199387397. The next prime is 32199387461. The reversal of 32199387449 is 94478399123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31411181824 + 788205625 = 177232^2 + 28075^2 .

It is a cyclic number.

It is not a de Polignac number, because 32199387449 - 2⁸ = 32199387193 is a prime.

It is not a weakly prime, because it can be changed into another prime (32199387469) 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, 16099693724 + 16099693725.

It is an arithmetic number, because the mean of its divisors is an integer number (16099693725).

Almost surely, 2^32199387449 is an apocalyptic number.

It is an amenable number.

32199387449 is a deficient number, since it is larger than the sum of its proper divisors (1).

32199387449 is an equidigital number, since it uses as much as digits as its factorization.

32199387449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 59.

The spelling of 32199387449 in words is "thirty-two billion, one hundred ninety-nine million, three hundred eighty-seven thousand, four hundred forty-nine".