3485981889 has 24 divisors (see below), whose sum is σ = 5708044160. Its totient is φ = 2032312032.

The previous prime is 3485981819. The next prime is 3485981893. The reversal of 3485981889 is 9881895843.

It is a happy number.

3485981889 is a `hidden beast` number, since 34 + 8 + 598 + 1 + 8 + 8 + 9 = 666.

It is not a de Polignac number, because 3485981889 - 2⁷ = 3485981761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3485981819) 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 in 23 ways as a sum of consecutive naturals, for example, 781849 + ... + 786294.

Almost surely, 2^3485981889 is an apocalyptic number.

3485981889 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3485981889 is a deficient number, since it is larger than the sum of its proper divisors (2222062271).

3485981889 is a wasteful number, since it uses less digits than its factorization.

3485981889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568181 (or 1568178 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 63.

The square root of 3485981889 is about 59042.2043033625. The cubic root of 3485981889 is about 1516.2647622329.

The spelling of 3485981889 in words is "three billion, four hundred eighty-five million, nine hundred eighty-one thousand, eight hundred eighty-nine".