42361049117 has 2 divisors, whose sum is σ = 42361049118. Its totient is φ = 42361049116.

The previous prime is 42361049113. The next prime is 42361049147. The reversal of 42361049117 is 71194016324.

42361049117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36898952281 + 5462096836 = 192091^2 + 73906^2 .

It is a cyclic number.

It is not a de Polignac number, because 42361049117 - 2² = 42361049113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42361049113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21180524558 + 21180524559.

It is an arithmetic number, because the mean of its divisors is an integer number (21180524559).

Almost surely, 2^42361049117 is an apocalyptic number.

It is an amenable number.

42361049117 is a deficient number, since it is larger than the sum of its proper divisors (1).

42361049117 is an equidigital number, since it uses as much as digits as its factorization.

42361049117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 42361049117 in words is "forty-two billion, three hundred sixty-one million, forty-nine thousand, one hundred seventeen".