2089397650 has 48 divisors (see below), whose sum is σ = 3933748224. Its totient is φ = 825612480.

The previous prime is 2089397623. The next prime is 2089397669. The reversal of 2089397650 is 567939802.

It is a junction number, because it is equal to n+sod(n) for n = 2089397594 and 2089397603.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1859989 + ... + 1861111.

It is an arithmetic number, because the mean of its divisors is an integer number (81953088).

Almost surely, 2^2089397650 is an apocalyptic number.

2089397650 is a deficient number, since it is larger than the sum of its proper divisors (1844350574).

2089397650 is a wasteful number, since it uses less digits than its factorization.

2089397650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 2089397650 is about 45709.9294464562. The cubic root of 2089397650 is about 1278.4204249922.

The spelling of 2089397650 in words is "two billion, eighty-nine million, three hundred ninety-seven thousand, six hundred fifty".