42384494269 has 4 divisors (see below), whose sum is σ = 45644839996. Its totient is φ = 39124148544.

The previous prime is 42384494263. The next prime is 42384494279. The reversal of 42384494269 is 96249448324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17739576100 + 24644918169 = 133190^2 + 156987^2 .

It is not a de Polignac number, because 42384494269 - 2⁵ = 42384494237 is a prime.

It is a super-2 number, since 2×42384494269² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42384494263) 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 3 ways as a sum of consecutive naturals, for example, 1630172844 + ... + 1630172869.

It is an arithmetic number, because the mean of its divisors is an integer number (11411209999).

Almost surely, 2^42384494269 is an apocalyptic number.

It is an amenable number.

42384494269 is a deficient number, since it is larger than the sum of its proper divisors (3260345727).

42384494269 is a wasteful number, since it uses less digits than its factorization.

42384494269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260345726.

The product of its digits is 11943936, while the sum is 55.

The spelling of 42384494269 in words is "forty-two billion, three hundred eighty-four million, four hundred ninety-four thousand, two hundred sixty-nine".