42154262159 has 2 divisors, whose sum is σ = 42154262160. Its totient is φ = 42154262158.

The previous prime is 42154262141. The next prime is 42154262167. The reversal of 42154262159 is 95126245124.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42154262159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42154265159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21077131079 + 21077131080.

It is an arithmetic number, because the mean of its divisors is an integer number (21077131080).

Almost surely, 2^42154262159 is an apocalyptic number.

42154262159 is a deficient number, since it is larger than the sum of its proper divisors (1).

42154262159 is an equidigital number, since it uses as much as digits as its factorization.

42154262159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 41.

The spelling of 42154262159 in words is "forty-two billion, one hundred fifty-four million, two hundred sixty-two thousand, one hundred fifty-nine".