4255621574759 has 2 divisors, whose sum is σ = 4255621574760. Its totient is φ = 4255621574758.

The previous prime is 4255621574731. The next prime is 4255621574819. The reversal of 4255621574759 is 9574751265524.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4255621574759 is a prime.

It is a super-2 number, since 2×4255621574759² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4255621574959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127810787379 + 2127810787380.

It is an arithmetic number, because the mean of its divisors is an integer number (2127810787380).

Almost surely, 2^{4255621574759} is an apocalyptic number.

4255621574759 is a deficient number, since it is larger than the sum of its proper divisors (1).

4255621574759 is an equidigital number, since it uses as much as digits as its factorization.

4255621574759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840000, while the sum is 62.

The spelling of 4255621574759 in words is "four trillion, two hundred fifty-five billion, six hundred twenty-one million, five hundred seventy-four thousand, seven hundred fifty-nine".