42126725163 has 16 divisors (see below), whose sum is σ = 57401726976. Its totient is φ = 27471306720.

The previous prime is 42126725129. The next prime is 42126725183. The reversal of 42126725163 is 36152762124.

It is not a de Polignac number, because 42126725163 - 2⁶ = 42126725099 is a prime.

It is a super-4 number, since 4×42126725163⁴ (a number of 44 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (42126725183) 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 in 15 ways as a sum of consecutive naturals, for example, 347595 + ... + 452852.

It is an arithmetic number, because the mean of its divisors is an integer number (3587607936).

Almost surely, 2^42126725163 is an apocalyptic number.

42126725163 is a deficient number, since it is larger than the sum of its proper divisors (15275001813).

42126725163 is a wasteful number, since it uses less digits than its factorization.

42126725163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800834.

The product of its digits is 120960, while the sum is 39.

The spelling of 42126725163 in words is "forty-two billion, one hundred twenty-six million, seven hundred twenty-five thousand, one hundred sixty-three".