32340399989 has 2 divisors, whose sum is σ = 32340399990. Its totient is φ = 32340399988.

The previous prime is 32340399941. The next prime is 32340400021. The reversal of 32340399989 is 98999304323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31627776964 + 712623025 = 177842^2 + 26695^2 .

It is an emirp because it is prime and its reverse (98999304323) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32340399989 is a prime.

It is a super-2 number, since 2×32340399989² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32340099989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16170199994 + 16170199995.

It is an arithmetic number, because the mean of its divisors is an integer number (16170199995).

Almost surely, 2^32340399989 is an apocalyptic number.

It is an amenable number.

32340399989 is a deficient number, since it is larger than the sum of its proper divisors (1).

32340399989 is an equidigital number, since it uses as much as digits as its factorization.

32340399989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11337408, while the sum is 59.

The spelling of 32340399989 in words is "thirty-two billion, three hundred forty million, three hundred ninety-nine thousand, nine hundred eighty-nine".