269243891136 has 392 divisors, whose sum is σ = 882224970624. Its totient is φ = 80810058240.

The previous prime is 269243891057. The next prime is 269243891209. The reversal of 269243891136 is 631198342962.

269243891136 is a `hidden beast` number, since 2 + 6 + 92 + 438 + 9 + 113 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 54911661 + ... + 54916563.

Almost surely, 2^269243891136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 269243891136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441112485312).

269243891136 is an abundant number, since it is smaller than the sum of its proper divisors (612981079488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

269243891136 is a wasteful number, since it uses less digits than its factorization.

269243891136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051 (or 5026 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The spelling of 269243891136 in words is "two hundred sixty-nine billion, two hundred forty-three million, eight hundred ninety-one thousand, one hundred thirty-six".