2985564381 has 12 divisors (see below), whose sum is σ = 4161355968. Its totient is φ = 1903837144.

The previous prime is 2985564367. The next prime is 2985564383. The reversal of 2985564381 is 1834655892.

It is not a de Polignac number, because 2985564381 - 2¹⁷ = 2985433309 is a prime.

It is a super-2 number, since 2×2985564381² = 17827189346191826322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2985564383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 939045 + ... + 942218.

It is an arithmetic number, because the mean of its divisors is an integer number (346779664).

Almost surely, 2^2985564381 is an apocalyptic number.

It is an amenable number.

2985564381 is a deficient number, since it is larger than the sum of its proper divisors (1175791587).

2985564381 is a wasteful number, since it uses less digits than its factorization.

2985564381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881312 (or 1881289 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The square root of 2985564381 is about 54640.3182732312. The cubic root of 2985564381 is about 1439.9325426540.

The spelling of 2985564381 in words is "two billion, nine hundred eighty-five million, five hundred sixty-four thousand, three hundred eighty-one".