4256668140751 has 4 divisors (see below), whose sum is σ = 4584104151592. Its totient is φ = 3929232129912.

The previous prime is 4256668140743. The next prime is 4256668140793. The reversal of 4256668140751 is 1570418666524.

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

It is a cyclic number.

It is not a de Polignac number, because 4256668140751 - 2³ = 4256668140743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4256668140692 and 4256668140701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256668140731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163718005401 + ... + 163718005426.

It is an arithmetic number, because the mean of its divisors is an integer number (1146026037898).

Almost surely, 2^{4256668140751} is an apocalyptic number.

4256668140751 is a deficient number, since it is larger than the sum of its proper divisors (327436010841).

4256668140751 is a wasteful number, since it uses less digits than its factorization.

4256668140751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327436010840.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 4256668140751 in words is "four trillion, two hundred fifty-six billion, six hundred sixty-eight million, one hundred forty thousand, seven hundred fifty-one".