2089009690 has 32 divisors (see below), whose sum is σ = 3797473680. Its totient is φ = 827366400.

The previous prime is 2089009669. The next prime is 2089009697. The reversal of 2089009690 is 969009802.

It can be written as a sum of positive squares in 8 ways, for example, as 124835929 + 1964173761 = 11173^2 + 44319^2 .

It is a super-2 number, since 2×2089009690² = 8727922969827792200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2089009697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433816 + ... + 438604.

Almost surely, 2^2089009690 is an apocalyptic number.

2089009690 is a deficient number, since it is larger than the sum of its proper divisors (1708463990).

2089009690 is a wasteful number, since it uses less digits than its factorization.

2089009690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 2089009690 is about 45705.6855325462. The cubic root of 2089009690 is about 1278.3412942614.

The spelling of 2089009690 in words is "two billion, eighty-nine million, nine thousand, six hundred ninety".