4018763491 has 2 divisors, whose sum is σ = 4018763492. Its totient is φ = 4018763490.

The previous prime is 4018763443. The next prime is 4018763521. The reversal of 4018763491 is 1943678104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4018763491 - 2¹¹ = 4018761443 is a prime.

It is not a weakly prime, because it can be changed into another prime (4018763431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2009381745 + 2009381746.

It is an arithmetic number, because the mean of its divisors is an integer number (2009381746).

Almost surely, 2^4018763491 is an apocalyptic number.

4018763491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4018763491 is an equidigital number, since it uses as much as digits as its factorization.

4018763491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 4018763491 is about 63393.7180720614. The cubic root of 4018763491 is about 1589.8792797604.

The spelling of 4018763491 in words is "four billion, eighteen million, seven hundred sixty-three thousand, four hundred ninety-one".