2683697690 has 32 divisors (see below), whose sum is σ = 5253062544. Its totient is φ = 983024640.

The previous prime is 2683697633. The next prime is 2683697699. The reversal of 2683697690 is 967963862.

It can be written as a sum of positive squares in 8 ways, for example, as 1831583209 + 852114481 = 42797^2 + 29191^2 .

It is a super-2 number, since 2×2683697690² = 14404466582622672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2683697699) 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, 207041 + ... + 219620.

Almost surely, 2^2683697690 is an apocalyptic number.

2683697690 is a deficient number, since it is larger than the sum of its proper divisors (2569364854).

2683697690 is a wasteful number, since it uses less digits than its factorization.

2683697690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426722.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The square root of 2683697690 is about 51804.4176687664. The cubic root of 2683697690 is about 1389.6684491219.

The spelling of 2683697690 in words is "two billion, six hundred eighty-three million, six hundred ninety-seven thousand, six hundred ninety".