4787253491 has 2 divisors, whose sum is σ = 4787253492. Its totient is φ = 4787253490.

The previous prime is 4787253421. The next prime is 4787253517. The reversal of 4787253491 is 1943527874.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4787253491 is a prime.

It is not a weakly prime, because it can be changed into another prime (4787253421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2393626745 + 2393626746.

It is an arithmetic number, because the mean of its divisors is an integer number (2393626746).

Almost surely, 2^4787253491 is an apocalyptic number.

4787253491 is a deficient number, since it is larger than the sum of its proper divisors (1).

4787253491 is an equidigital number, since it uses as much as digits as its factorization.

4787253491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 50.

The square root of 4787253491 is about 69189.9811461168. The cubic root of 4787253491 is about 1685.3708372043.

The spelling of 4787253491 in words is "four billion, seven hundred eighty-seven million, two hundred fifty-three thousand, four hundred ninety-one".