2553199646 has 4 divisors (see below), whose sum is σ = 3829799472. Its totient is φ = 1276599822.

The previous prime is 2553199639. The next prime is 2553199669. The reversal of 2553199646 is 6469913552.

2553199646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 2553199594 and 2553199603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638299910 + ... + 638299913.

It is an arithmetic number, because the mean of its divisors is an integer number (957449868).

Almost surely, 2^2553199646 is an apocalyptic number.

2553199646 is a deficient number, since it is larger than the sum of its proper divisors (1276599826).

2553199646 is a wasteful number, since it uses less digits than its factorization.

2553199646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276599825.

The product of its digits is 1749600, while the sum is 50.

The square root of 2553199646 is about 50529.1959761879. The cubic root of 2553199646 is about 1366.7683871806.

The spelling of 2553199646 in words is "two billion, five hundred fifty-three million, one hundred ninety-nine thousand, six hundred forty-six".