3885505243 has 2 divisors, whose sum is σ = 3885505244. Its totient is φ = 3885505242.

The previous prime is 3885505219. The next prime is 3885505259. The reversal of 3885505243 is 3425055883.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3885505243 - 2²¹ = 3883408091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3885505243.

It is not a weakly prime, because it can be changed into another prime (3885503243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1942752621 + 1942752622.

It is an arithmetic number, because the mean of its divisors is an integer number (1942752622).

Almost surely, 2^3885505243 is an apocalyptic number.

3885505243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3885505243 is an equidigital number, since it uses as much as digits as its factorization.

3885505243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576000, while the sum is 43.

The square root of 3885505243 is about 62333.8210203738. The cubic root of 3885505243 is about 1572.1084418832.

The spelling of 3885505243 in words is "three billion, eight hundred eighty-five million, five hundred five thousand, two hundred forty-three".