4255685387 has 2 divisors, whose sum is σ = 4255685388. Its totient is φ = 4255685386.

The previous prime is 4255685339. The next prime is 4255685411. The reversal of 4255685387 is 7835865524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4255685387 - 2⁸ = 4255685131 is a prime.

It is a super-2 number, since 2×4255685387² = 36221716226250679538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4255675387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127842693 + 2127842694.

It is an arithmetic number, because the mean of its divisors is an integer number (2127842694).

Almost surely, 2^4255685387 is an apocalyptic number.

4255685387 is a deficient number, since it is larger than the sum of its proper divisors (1).

4255685387 is an equidigital number, since it uses as much as digits as its factorization.

4255685387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064000, while the sum is 53.

The square root of 4255685387 is about 65235.6144065494. The cubic root of 4255685387 is about 1620.5278708309.

The spelling of 4255685387 in words is "four billion, two hundred fifty-five million, six hundred eighty-five thousand, three hundred eighty-seven".