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42199199149 is a prime number
BaseRepresentation
bin100111010011010001…
…001010110110101101
311000220221020102120211
4213103101022312231
51142410443333044
631215215142421
73022510163062
oct472321126655
9130827212524
1042199199149
11169953909a8
128218514a11
133c96893533
1420846bac69
15116eae6634
hex9d344adad

42199199149 has 2 divisors, whose sum is σ = 42199199150. Its totient is φ = 42199199148.

The previous prime is 42199199143. The next prime is 42199199167. The reversal of 42199199149 is 94199199124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33764062500 + 8435136649 = 183750^2 + 91843^2 .

It is a cyclic number.

It is not a de Polignac number, because 42199199149 - 227 = 42064981421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42199199093 and 42199199102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42199199143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21099599574 + 21099599575.

It is an arithmetic number, because the mean of its divisors is an integer number (21099599575).

Almost surely, 242199199149 is an apocalyptic number.

It is an amenable number.

42199199149 is a deficient number, since it is larger than the sum of its proper divisors (1).

42199199149 is an equidigital number, since it uses as much as digits as its factorization.

42199199149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 58.

The spelling of 42199199149 in words is "forty-two billion, one hundred ninety-nine million, one hundred ninety-nine thousand, one hundred forty-nine".