4256376757349 has 2 divisors, whose sum is σ = 4256376757350. Its totient is φ = 4256376757348.

The previous prime is 4256376757337. The next prime is 4256376757411. The reversal of 4256376757349 is 9437576736524.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3230323236100 + 1026053521249 = 1797310^2 + 1012943^2 .

It is a cyclic number.

It is not a de Polignac number, because 4256376757349 - 2¹² = 4256376753253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4256376757049) 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 as a sum of consecutive naturals, namely, 2128188378674 + 2128188378675.

It is an arithmetic number, because the mean of its divisors is an integer number (2128188378675).

Almost surely, 2^{4256376757349} is an apocalyptic number.

It is an amenable number.

4256376757349 is a deficient number, since it is larger than the sum of its proper divisors (1).

4256376757349 is an equidigital number, since it uses as much as digits as its factorization.

4256376757349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 800150400, while the sum is 68.

The spelling of 4256376757349 in words is "four trillion, two hundred fifty-six billion, three hundred seventy-six million, seven hundred fifty-seven thousand, three hundred forty-nine".