2556675751 has 8 divisors (see below), whose sum is σ = 2927054880. Its totient is φ = 2187581568.

The previous prime is 2556675727. The next prime is 2556675761. The reversal of 2556675751 is 1575766552.

2556675751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2556675751 - 2¹⁹ = 2556151463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2556675695 and 2556675704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556675761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316966 + ... + 324931.

It is an arithmetic number, because the mean of its divisors is an integer number (365881860).

Almost surely, 2^2556675751 is an apocalyptic number.

2556675751 is a deficient number, since it is larger than the sum of its proper divisors (370379129).

2556675751 is an equidigital number, since it uses as much as digits as its factorization.

2556675751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642473.

The product of its digits is 2205000, while the sum is 49.

The square root of 2556675751 is about 50563.5812715041. The cubic root of 2556675751 is about 1367.3883773346.

The spelling of 2556675751 in words is "two billion, five hundred fifty-six million, six hundred seventy-five thousand, seven hundred fifty-one".