32420199389 has 2 divisors, whose sum is σ = 32420199390. Its totient is φ = 32420199388.

The previous prime is 32420199337. The next prime is 32420199397. The reversal of 32420199389 is 98399102423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16508395225 + 15911804164 = 128485^2 + 126142^2 .

It is a cyclic number.

It is not a de Polignac number, because 32420199389 - 2¹² = 32420195293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32420193389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16210099694 + 16210099695.

It is an arithmetic number, because the mean of its divisors is an integer number (16210099695).

Almost surely, 2^32420199389 is an apocalyptic number.

It is an amenable number.

32420199389 is a deficient number, since it is larger than the sum of its proper divisors (1).

32420199389 is an equidigital number, since it uses as much as digits as its factorization.

32420199389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 32420199389 in words is "thirty-two billion, four hundred twenty million, one hundred ninety-nine thousand, three hundred eighty-nine".