2108489364 has 18 divisors (see below), whose sum is σ = 5329792650. Its totient is φ = 702829776.

The previous prime is 2108489347. The next prime is 2108489387. The reversal of 2108489364 is 4639848012.

It is a happy number.

2108489364 is a `hidden beast` number, since 2 + 108 + 489 + 3 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1494440964 + 614048400 = 38658^2 + 24780^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2108489364² = 8891454796202248992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29284539 + ... + 29284610.

Almost surely, 2^2108489364 is an apocalyptic number.

It is an amenable number.

2108489364 is an abundant number, since it is smaller than the sum of its proper divisors (3221303286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2108489364 is a wasteful number, since it uses less digits than its factorization.

2108489364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58569159 (or 58569154 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 2108489364 is about 45918.2900814044. The cubic root of 2108489364 is about 1282.3024485109.

The spelling of 2108489364 in words is "two billion, one hundred eight million, four hundred eighty-nine thousand, three hundred sixty-four".