3609986989 has 8 divisors (see below), whose sum is σ = 4129489728. Its totient is φ = 3091431840.

The previous prime is 3609986981. The next prime is 3609986999. The reversal of 3609986989 is 9896899063.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3609986989 - 2³ = 3609986981 is a prime.

It is a super-2 number, since 2×3609986989² = 26064012121498572242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3609986981) 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 7 ways as a sum of consecutive naturals, for example, 228712 + ... + 243985.

It is an arithmetic number, because the mean of its divisors is an integer number (516186216).

Almost surely, 2^3609986989 is an apocalyptic number.

It is an amenable number.

3609986989 is a deficient number, since it is larger than the sum of its proper divisors (519502739).

3609986989 is a wasteful number, since it uses less digits than its factorization.

3609986989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473795.

The product of its (nonzero) digits is 45349632, while the sum is 67.

The square root of 3609986989 is about 60083.1672683789. The cubic root of 3609986989 is about 1534.0348014080.

The spelling of 3609986989 in words is "three billion, six hundred nine million, nine hundred eighty-six thousand, nine hundred eighty-nine".