3894485263 has 2 divisors, whose sum is σ = 3894485264. Its totient is φ = 3894485262.

The previous prime is 3894485261. The next prime is 3894485269. The reversal of 3894485263 is 3625844983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3894485263 - 2¹ = 3894485261 is a prime.

Together with 3894485261, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3894485263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3894485261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1947242631 + 1947242632.

It is an arithmetic number, because the mean of its divisors is an integer number (1947242632).

Almost surely, 2^3894485263 is an apocalyptic number.

3894485263 is a deficient number, since it is larger than the sum of its proper divisors (1).

3894485263 is an equidigital number, since it uses as much as digits as its factorization.

3894485263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 52.

The square root of 3894485263 is about 62405.8111316566. The cubic root of 3894485263 is about 1573.3186408434.

The spelling of 3894485263 in words is "three billion, eight hundred ninety-four million, four hundred eighty-five thousand, two hundred sixty-three".