2809956096 has 90 divisors (see below), whose sum is σ = 8378842472. Its totient is φ = 936645120.

The previous prime is 2809956059. The next prime is 2809956101. The reversal of 2809956096 is 6906599082.

2809956096 is a `hidden beast` number, since 28 + 0 + 9 + 9 + 5 + 609 + 6 = 666.

It is a super-2 number, since 2×2809956096² = 15791706522895122432, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 47020 + ... + 88491.

Almost surely, 2^2809956096 is an apocalyptic number.

It is an amenable number.

2809956096 is an abundant number, since it is smaller than the sum of its proper divisors (5568886376).

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

2809956096 is an equidigital number, since it uses as much as digits as its factorization.

2809956096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135539 (or 135516 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 2809956096 is about 53009.0190062031. The cubic root of 2809956096 is about 1411.1283317762.

The spelling of 2809956096 in words is "two billion, eight hundred nine million, nine hundred fifty-six thousand, ninety-six".