269648739864 has 96 divisors (see below), whose sum is σ = 836952480000. Its totient is φ = 76827842496.

The previous prime is 269648739863. The next prime is 269648739889. The reversal of 269648739864 is 468937846962.

269648739864 is a `hidden beast` number, since 2 + 69 + 6 + 487 + 3 + 9 + 86 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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

It is a junction number, because it is equal to n+sod(n) for n = 269648739792 and 269648739801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269648739863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 564214 + ... + 926085.

It is an arithmetic number, because the mean of its divisors is an integer number (8718255000).

Almost surely, 2^269648739864 is an apocalyptic number.

269648739864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

269648739864 is an abundant number, since it is smaller than the sum of its proper divisors (567303740136).

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

269648739864 is a wasteful number, since it uses less digits than its factorization.

269648739864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490677 (or 1490670 counting only the distinct ones).

The product of its digits is 752467968, while the sum is 72.

The spelling of 269648739864 in words is "two hundred sixty-nine billion, six hundred forty-eight million, seven hundred thirty-nine thousand, eight hundred sixty-four".