2541644822 has 4 divisors (see below), whose sum is σ = 3812467236. Its totient is φ = 1270822410.

The previous prime is 2541644821. The next prime is 2541644881. The reversal of 2541644822 is 2284461452.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541644821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635411204 + ... + 635411207.

It is an arithmetic number, because the mean of its divisors is an integer number (953116809).

Almost surely, 2^2541644822 is an apocalyptic number.

2541644822 is a deficient number, since it is larger than the sum of its proper divisors (1270822414).

2541644822 is a wasteful number, since it uses less digits than its factorization.

2541644822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270822413.

The product of its digits is 122880, while the sum is 38.

The square root of 2541644822 is about 50414.7282249939. The cubic root of 2541644822 is about 1364.7034419505.

The spelling of 2541644822 in words is "two billion, five hundred forty-one million, six hundred forty-four thousand, eight hundred twenty-two".