42199199137 has 2 divisors, whose sum is σ = 42199199138. Its totient is φ = 42199199136.

The previous prime is 42199199099. The next prime is 42199199143. The reversal of 42199199137 is 73199199124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32111206416 + 10087992721 = 179196^2 + 100439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42199199137 is a prime.

It is not a weakly prime, because it can be changed into another prime (42199199167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21099599568 + 21099599569.

It is an arithmetic number, because the mean of its divisors is an integer number (21099599569).

Almost surely, 2^42199199137 is an apocalyptic number.

It is an amenable number.

42199199137 is a deficient number, since it is larger than the sum of its proper divisors (1).

42199199137 is an equidigital number, since it uses as much as digits as its factorization.

42199199137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1102248, while the sum is 55.

The spelling of 42199199137 in words is "forty-two billion, one hundred ninety-nine million, one hundred ninety-nine thousand, one hundred thirty-seven".