2553836642 has 16 divisors (see below), whose sum is σ = 4379144640. Its totient is φ = 1094216688.

The previous prime is 2553836629. The next prime is 2553836647. The reversal of 2553836642 is 2466383552.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2553836593 and 2553836602.

It is not an unprimeable number, because it can be changed into a prime (2553836647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37448 + ... + 80684.

It is an arithmetic number, because the mean of its divisors is an integer number (273696540).

Almost surely, 2^2553836642 is an apocalyptic number.

2553836642 is a deficient number, since it is larger than the sum of its proper divisors (1825307998).

2553836642 is a wasteful number, since it uses less digits than its factorization.

2553836642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47465.

The product of its digits is 1036800, while the sum is 44.

The square root of 2553836642 is about 50535.4988300304. The cubic root of 2553836642 is about 1366.8820424266.

The spelling of 2553836642 in words is "two billion, five hundred fifty-three million, eight hundred thirty-six thousand, six hundred forty-two".