42044993969 has 48 divisors (see below), whose sum is σ = 47997593280. Its totient is φ = 36784176000.

The previous prime is 42044993897. The next prime is 42044994041. The reversal of 42044993969 is 96939944024.

It is an interprime number because it is at equal distance from previous prime (42044993897) and next prime (42044994041).

It is not a de Polignac number, because 42044993969 - 2¹⁶ = 42044928433 is a prime.

It is a super-2 number, since 2×42044993969² (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 (42044993269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90031874 + ... + 90032340.

It is an arithmetic number, because the mean of its divisors is an integer number (999949860).

Almost surely, 2^42044993969 is an apocalyptic number.

It is an amenable number.

42044993969 is a deficient number, since it is larger than the sum of its proper divisors (5952599311).

42044993969 is a wasteful number, since it uses less digits than its factorization.

42044993969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 59.

The spelling of 42044993969 in words is "forty-two billion, forty-four million, nine hundred ninety-three thousand, nine hundred sixty-nine".