2809495793 has 8 divisors (see below), whose sum is σ = 3157159488. Its totient is φ = 2480624784.

The previous prime is 2809495783. The next prime is 2809495861. The reversal of 2809495793 is 3975949082.

2809495793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2809495793 - 2⁸ = 2809495537 is a prime.

It is a super-2 number, since 2×2809495793² = 15786533221769397698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2809495763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4697855 + ... + 4698452.

It is an arithmetic number, because the mean of its divisors is an integer number (394644936).

Almost surely, 2^2809495793 is an apocalyptic number.

2809495793 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2809495793 is a deficient number, since it is larger than the sum of its proper divisors (347663695).

2809495793 is a wasteful number, since it uses less digits than its factorization.

2809495793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9396343.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The square root of 2809495793 is about 53004.6770860836. The cubic root of 2809495793 is about 1411.0512745727.

The spelling of 2809495793 in words is "two billion, eight hundred nine million, four hundred ninety-five thousand, seven hundred ninety-three".