4283997491 has 2 divisors, whose sum is σ = 4283997492. Its totient is φ = 4283997490.

The previous prime is 4283997451. The next prime is 4283997499. The reversal of 4283997491 is 1947993824.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4283997491 is a prime.

It is not a weakly prime, because it can be changed into another prime (4283997499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2141998745 + 2141998746.

It is an arithmetic number, because the mean of its divisors is an integer number (2141998746).

Almost surely, 2^4283997491 is an apocalyptic number.

4283997491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4283997491 is an equidigital number, since it uses as much as digits as its factorization.

4283997491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 56.

The square root of 4283997491 is about 65452.2535211737. The cubic root of 4283997491 is about 1624.1135982794.

The spelling of 4283997491 in words is "four billion, two hundred eighty-three million, nine hundred ninety-seven thousand, four hundred ninety-one".