42799279461149 has 2 divisors, whose sum is σ = 42799279461150. Its totient is φ = 42799279461148.

The previous prime is 42799279461067. The next prime is 42799279461157. The reversal of 42799279461149 is 94116497299724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27985687022500 + 14813592438649 = 5290150^2 + 3848843^2 .

It is a cyclic number.

It is not a de Polignac number, because 42799279461149 - 2⁸ = 42799279460893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42799279461949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21399639730574 + 21399639730575.

It is an arithmetic number, because the mean of its divisors is an integer number (21399639730575).

Almost surely, 2^{42799279461149} is an apocalyptic number.

It is an amenable number.

42799279461149 is a deficient number, since it is larger than the sum of its proper divisors (1).

42799279461149 is an equidigital number, since it uses as much as digits as its factorization.

42799279461149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493807104, while the sum is 74.

The spelling of 42799279461149 in words is "forty-two trillion, seven hundred ninety-nine billion, two hundred seventy-nine million, four hundred sixty-one thousand, one hundred forty-nine".