4894774985 has 16 divisors (see below), whose sum is σ = 5999320080. Its totient is φ = 3832458240.

The previous prime is 4894774949. The next prime is 4894774991. The reversal of 4894774985 is 5894774984.

It can be written as a sum of positive squares in 8 ways, for example, as 789553801 + 4105221184 = 28099^2 + 64072^2 .

It is not a de Polignac number, because 4894774985 - 2⁶ = 4894774921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85805 + ... + 130965.

It is an arithmetic number, because the mean of its divisors is an integer number (374957505).

Almost surely, 2^4894774985 is an apocalyptic number.

It is an amenable number.

4894774985 is a deficient number, since it is larger than the sum of its proper divisors (1104545095).

4894774985 is a wasteful number, since it uses less digits than its factorization.

4894774985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45628.

The product of its digits is 81285120, while the sum is 65.

The square root of 4894774985 is about 69962.6685097131. The cubic root of 4894774985 is about 1697.8953175216.

Subtracting 4894774985 from its reverse (5894774984), we obtain a palindrome (999999999).

The spelling of 4894774985 in words is "four billion, eight hundred ninety-four million, seven hundred seventy-four thousand, nine hundred eighty-five".