42256701019 has 6 divisors (see below), whose sum is σ = 45757256316. Its totient is φ = 39006185400.

The previous prime is 42256700923. The next prime is 42256701073. The reversal of 42256701019 is 91010765224.

It is not a de Polignac number, because 42256701019 - 2¹⁹ = 42256176731 is a prime.

It is a super-2 number, since 2×42256701019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42256701719) 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 5 ways as a sum of consecutive naturals, for example, 125019657 + ... + 125019994.

It is an arithmetic number, because the mean of its divisors is an integer number (7626209386).

Almost surely, 2^42256701019 is an apocalyptic number.

42256701019 is a deficient number, since it is larger than the sum of its proper divisors (3500555297).

42256701019 is a wasteful number, since it uses less digits than its factorization.

42256701019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250039677 (or 250039664 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 42256701019 in words is "forty-two billion, two hundred fifty-six million, seven hundred one thousand, nineteen".