223019993939 has 2 divisors, whose sum is σ = 223019993940. Its totient is φ = 223019993938.

The previous prime is 223019993929. The next prime is 223019993947. The reversal of 223019993939 is 939399910322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223019993939 - 2³² = 218725026643 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (223019993929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111509996969 + 111509996970.

It is an arithmetic number, because the mean of its divisors is an integer number (111509996970).

Almost surely, 2^223019993939 is an apocalyptic number.

223019993939 is a deficient number, since it is larger than the sum of its proper divisors (1).

223019993939 is an equidigital number, since it uses as much as digits as its factorization.

223019993939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6377292, while the sum is 59.

The spelling of 223019993939 in words is "two hundred twenty-three billion, nineteen million, nine hundred ninety-three thousand, nine hundred thirty-nine".