2985019853841 has 15 divisors (see below), whose sum is σ = 4459126960651. Its totient is φ = 1990002869568.

The previous prime is 2985019853831. The next prime is 2985019853903. The reversal of 2985019853841 is 1483589105892.

The square root of 2985019853841 is 1727721.

It is a perfect power (a square), and thus also a powerful number.

2985019853841 is a `hidden beast` number, since 2 + 9 + 8 + 5 + 0 + 1 + 98 + 538 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 100185543441 + 2884834310400 = 316521^2 + 1698480^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2985019853841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2985019853831) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 15453505 + ... + 15645473.

Almost surely, 2^{2985019853841} is an apocalyptic number.

2985019853841 is the 1727721-st square number.

2985019853841 is the 863861-st centered octagonal number.

It is an amenable number.

2985019853841 is a deficient number, since it is larger than the sum of its proper divisors (1474107106810).

2985019853841 is an frugal number, since it uses more digits than its factorization.

2985019853841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383950 (or 191972 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 63.

The spelling of 2985019853841 in words is "two trillion, nine hundred eighty-five billion, nineteen million, eight hundred fifty-three thousand, eight hundred forty-one".