2153268784 has 20 divisors (see below), whose sum is σ = 4391535640. Its totient is φ = 1019969280.

The previous prime is 2153268781. The next prime is 2153268787. The reversal of 2153268784 is 4878623512.

It is an interprime number because it is at equal distance from previous prime (2153268781) and next prime (2153268787).

It is a super-2 number, since 2×2153268784² = 9273132912297677312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2153268781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3541257 + ... + 3541864.

It is an arithmetic number, because the mean of its divisors is an integer number (219576782).

Almost surely, 2^2153268784 is an apocalyptic number.

It is an amenable number.

2153268784 is an abundant number, since it is smaller than the sum of its proper divisors (2238266856).

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

2153268784 is a wasteful number, since it uses less digits than its factorization.

2153268784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7083148 (or 7083142 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 2153268784 is about 46403.3272944947. The cubic root of 2153268784 is about 1291.3166422074.

The spelling of 2153268784 in words is "two billion, one hundred fifty-three million, two hundred sixty-eight thousand, seven hundred eighty-four".