4787969749 has 2 divisors, whose sum is σ = 4787969750. Its totient is φ = 4787969748.

The previous prime is 4787969737. The next prime is 4787969773. The reversal of 4787969749 is 9479697874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2661837649 + 2126132100 = 51593^2 + 46110^2 .

It is a cyclic number.

It is not a de Polignac number, because 4787969749 - 2⁷ = 4787969621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4787969779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2393984874 + 2393984875.

It is an arithmetic number, because the mean of its divisors is an integer number (2393984875).

Almost surely, 2^4787969749 is an apocalyptic number.

It is an amenable number.

4787969749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4787969749 is an equidigital number, since it uses as much as digits as its factorization.

4787969749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192036096, while the sum is 70.

The square root of 4787969749 is about 69195.1569764821. The cubic root of 4787969749 is about 1685.4548867989.

The spelling of 4787969749 in words is "four billion, seven hundred eighty-seven million, nine hundred sixty-nine thousand, seven hundred forty-nine".