19246420199 has 2 divisors, whose sum is σ = 19246420200. Its totient is φ = 19246420198.

The previous prime is 19246420183. The next prime is 19246420231. The reversal of 19246420199 is 99102464291.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19246420199 - 2⁴ = 19246420183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19246420099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9623210099 + 9623210100.

It is an arithmetic number, because the mean of its divisors is an integer number (9623210100).

Almost surely, 2^19246420199 is an apocalyptic number.

19246420199 is a deficient number, since it is larger than the sum of its proper divisors (1).

19246420199 is an equidigital number, since it uses as much as digits as its factorization.

19246420199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 19246420199 in words is "nineteen billion, two hundred forty-six million, four hundred twenty thousand, one hundred ninety-nine".