2149021602 has 96 divisors (see below), whose sum is σ = 5761566720. Its totient is φ = 563725440.

The previous prime is 2149021591. The next prime is 2149021627. The reversal of 2149021602 is 2061209412.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 309424 + ... + 316292.

It is an arithmetic number, because the mean of its divisors is an integer number (60016320).

Almost surely, 2^2149021602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2149021602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2880783360).

2149021602 is an abundant number, since it is smaller than the sum of its proper divisors (3612545118).

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

2149021602 is a wasteful number, since it uses less digits than its factorization.

2149021602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7088 (or 7085 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2149021602 is about 46357.5409399593. The cubic root of 2149021602 is about 1290.4670708166.

The spelling of 2149021602 in words is "two billion, one hundred forty-nine million, twenty-one thousand, six hundred two".