4255715389 has 2 divisors, whose sum is σ = 4255715390. Its totient is φ = 4255715388.

The previous prime is 4255715381. The next prime is 4255715393. The reversal of 4255715389 is 9835175524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2140635289 + 2115080100 = 46267^2 + 45990^2 .

It is a cyclic number.

It is not a de Polignac number, because 4255715389 - 2³ = 4255715381 is a prime.

It is a super-2 number, since 2×4255715389² = 36222226944342842642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4255715381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127857694 + 2127857695.

It is an arithmetic number, because the mean of its divisors is an integer number (2127857695).

Almost surely, 2^4255715389 is an apocalyptic number.

It is an amenable number.

4255715389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4255715389 is an equidigital number, since it uses as much as digits as its factorization.

4255715389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 49.

The square root of 4255715389 is about 65235.8443572243. The cubic root of 4255715389 is about 1620.5316789885.

The spelling of 4255715389 in words is "four billion, two hundred fifty-five million, seven hundred fifteen thousand, three hundred eighty-nine".