2985421265 has 12 divisors (see below), whose sum is σ = 3780984564. Its totient is φ = 2262633696.

The previous prime is 2985421261. The next prime is 2985421291. The reversal of 2985421265 is 5621245892.

It can be written as a sum of positive squares in 2 ways, for example, as 857259841 + 2128161424 = 29279^2 + 46132^2 .

It is not a de Polignac number, because 2985421265 - 2² = 2985421261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2985421261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 825182 + ... + 828791.

It is an arithmetic number, because the mean of its divisors is an integer number (315082047).

Almost surely, 2^2985421265 is an apocalyptic number.

It is an amenable number.

2985421265 is a deficient number, since it is larger than the sum of its proper divisors (795563299).

2985421265 is a wasteful number, since it uses less digits than its factorization.

2985421265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654016 (or 1653997 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 2985421265 is about 54639.0086385176. The cubic root of 2985421265 is about 1439.9095340865.

The spelling of 2985421265 in words is "two billion, nine hundred eighty-five million, four hundred twenty-one thousand, two hundred sixty-five".