9042643269 has 72 divisors (see below), whose sum is σ = 15087945600. Its totient is φ = 5204781120.

The previous prime is 9042643199. The next prime is 9042643271. The reversal of 9042643269 is 9623462409.

It is not a de Polignac number, because 9042643269 - 2⁸ = 9042643013 is a prime.

It is a super-2 number, since 2×9042643269² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9042643279) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3730792 + ... + 3733214.

It is an arithmetic number, because the mean of its divisors is an integer number (209554800).

Almost surely, 2^9042643269 is an apocalyptic number.

9042643269 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

9042643269 is a deficient number, since it is larger than the sum of its proper divisors (6045302331).

9042643269 is a wasteful number, since it uses less digits than its factorization.

9042643269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623 (or 2609 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 9042643269 is about 95092.8139714037. The cubic root of 9042643269 is about 2083.3638914999.

The spelling of 9042643269 in words is "nine billion, forty-two million, six hundred forty-three thousand, two hundred sixty-nine".