2643497846 has 32 divisors (see below), whose sum is σ = 4379256576. Its totient is φ = 1186780000.

The previous prime is 2643497821. The next prime is 2643497851. The reversal of 2643497846 is 6487943462.

2643497846 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1089791 + ... + 1092213.

It is an arithmetic number, because the mean of its divisors is an integer number (136851768).

Almost surely, 2^2643497846 is an apocalyptic number.

2643497846 is a deficient number, since it is larger than the sum of its proper divisors (1735758730).

2643497846 is a wasteful number, since it uses less digits than its factorization.

2643497846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028.

The product of its digits is 6967296, while the sum is 53.

The square root of 2643497846 is about 51414.9574151336. The cubic root of 2643497846 is about 1382.6947704665.

The spelling of 2643497846 in words is "two billion, six hundred forty-three million, four hundred ninety-seven thousand, eight hundred forty-six".