4775474989 has 2 divisors, whose sum is σ = 4775474990. Its totient is φ = 4775474988.

The previous prime is 4775474987. The next prime is 4775475043. The reversal of 4775474989 is 9894745774.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2810060100 + 1965414889 = 53010^2 + 44333^2 .

It is a cyclic number.

It is not a de Polignac number, because 4775474989 - 2¹ = 4775474987 is a prime.

It is a super-2 number, since 2×4775474989² = 45610322741129100242, which contains 22 as substring.

Together with 4775474987, 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 4775474989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4775474987) 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, 2387737494 + 2387737495.

It is an arithmetic number, because the mean of its divisors is an integer number (2387737495).

Almost surely, 2^4775474989 is an apocalyptic number.

It is an amenable number.

4775474989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4775474989 is an equidigital number, since it uses as much as digits as its factorization.

4775474989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71124480, while the sum is 64.

The square root of 4775474989 is about 69104.8116197418. The cubic root of 4775474989 is about 1683.9874798777.

The spelling of 4775474989 in words is "four billion, seven hundred seventy-five million, four hundred seventy-four thousand, nine hundred eighty-nine".