2643527874 has 64 divisors (see below), whose sum is σ = 6003164160. Its totient is φ = 769331520.

The previous prime is 2643527869. The next prime is 2643527917. The reversal of 2643527874 is 4787253462.

It is a super-2 number, since 2×2643527874² = 13976479241229919752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1313529 + ... + 1315539.

It is an arithmetic number, because the mean of its divisors is an integer number (93799440).

Almost surely, 2^2643527874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2643527874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3001582080).

2643527874 is an abundant number, since it is smaller than the sum of its proper divisors (3359636286).

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

2643527874 is a wasteful number, since it uses less digits than its factorization.

2643527874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935.

The product of its digits is 2257920, while the sum is 48.

The square root of 2643527874 is about 51415.2494304948. The cubic root of 2643527874 is about 1382.7000058786.

The spelling of 2643527874 in words is "two billion, six hundred forty-three million, five hundred twenty-seven thousand, eight hundred seventy-four".