42199199099 has 2 divisors, whose sum is σ = 42199199100. Its totient is φ = 42199199098.

The previous prime is 42199199071. The next prime is 42199199137. The reversal of 42199199099 is 99099199124.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42199199099 is a prime.

It is not a weakly prime, because it can be changed into another prime (42199189099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21099599549 + 21099599550.

It is an arithmetic number, because the mean of its divisors is an integer number (21099599550).

Almost surely, 2^42199199099 is an apocalyptic number.

42199199099 is a deficient number, since it is larger than the sum of its proper divisors (1).

42199199099 is an equidigital number, since it uses as much as digits as its factorization.

42199199099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4251528, while the sum is 62.

The spelling of 42199199099 in words is "forty-two billion, one hundred ninety-nine million, one hundred ninety-nine thousand, ninety-nine".