42879114049 has 2 divisors, whose sum is σ = 42879114050. Its totient is φ = 42879114048.

The previous prime is 42879113941. The next prime is 42879114077. The reversal of 42879114049 is 94041197824.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32092214449 + 10786899600 = 179143^2 + 103860^2 .

It is a cyclic number.

It is not a de Polignac number, because 42879114049 - 2²³ = 42870725441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42879113993 and 42879114011.

It is not a weakly prime, because it can be changed into another prime (42879114079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21439557024 + 21439557025.

It is an arithmetic number, because the mean of its divisors is an integer number (21439557025).

Almost surely, 2^42879114049 is an apocalyptic number.

It is an amenable number.

42879114049 is a deficient number, since it is larger than the sum of its proper divisors (1).

42879114049 is an equidigital number, since it uses as much as digits as its factorization.

42879114049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 42879114049 in words is "forty-two billion, eight hundred seventy-nine million, one hundred fourteen thousand, forty-nine".