32945966819 has 2 divisors, whose sum is σ = 32945966820. Its totient is φ = 32945966818.

The previous prime is 32945966719. The next prime is 32945966849. The reversal of 32945966819 is 91866954923.

It is a strong prime.

It is an emirp because it is prime and its reverse (91866954923) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32945966819 is a prime.

It is a super-2 number, since 2×32945966819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32945966849) 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, 16472983409 + 16472983410.

It is an arithmetic number, because the mean of its divisors is an integer number (16472983410).

Almost surely, 2^32945966819 is an apocalyptic number.

32945966819 is a deficient number, since it is larger than the sum of its proper divisors (1).

32945966819 is an equidigital number, since it uses as much as digits as its factorization.

32945966819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25194240, while the sum is 62.

The spelling of 32945966819 in words is "thirty-two billion, nine hundred forty-five million, nine hundred sixty-six thousand, eight hundred nineteen".