42379574769 has 27 divisors (see below), whose sum is σ = 71216482233. Its totient is φ = 24214429512.

The previous prime is 42379574711. The next prime is 42379574827. The reversal of 42379574769 is 96747597324.

The square root of 42379574769 is 205863.

It is a perfect power (a square), and thus also a powerful number.

42379574769 is a `hidden beast` number, since 42 + 3 + 79 + 57 + 476 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (42379574711) and next prime (42379574827).

It is not a de Polignac number, because 42379574769 - 2⁹ = 42379574257 is a prime.

It is a super-2 number, since 2×42379574769² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (42379574969) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4318222 + ... + 4328024.

Almost surely, 2^42379574769 is an apocalyptic number.

42379574769 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

42379574769 is the 205863-rd square number.

42379574769 is the 102932-nd centered octagonal number.

It is an amenable number.

42379574769 is a deficient number, since it is larger than the sum of its proper divisors (28836907464).

42379574769 is an frugal number, since it uses more digits than its factorization.

42379574769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19626 (or 9813 counting only the distinct ones).

The product of its digits is 80015040, while the sum is 63.

The spelling of 42379574769 in words is "forty-two billion, three hundred seventy-nine million, five hundred seventy-four thousand, seven hundred sixty-nine".