2556698246 has 16 divisors (see below), whose sum is σ = 3906877920. Its totient is φ = 1254502080.

The previous prime is 2556698231. The next prime is 2556698317. The reversal of 2556698246 is 6428966552.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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, 29690 + ... + 77426.

It is an arithmetic number, because the mean of its divisors is an integer number (244179870).

Almost surely, 2^2556698246 is an apocalyptic number.

2556698246 is a deficient number, since it is larger than the sum of its proper divisors (1350179674).

2556698246 is a wasteful number, since it uses less digits than its factorization.

2556698246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48239.

The product of its digits is 6220800, while the sum is 53.

The square root of 2556698246 is about 50563.8037137239. The cubic root of 2556698246 is about 1367.3923876608.

The spelling of 2556698246 in words is "two billion, five hundred fifty-six million, six hundred ninety-eight thousand, two hundred forty-six".