2196786770 has 16 divisors (see below), whose sum is σ = 3954758040. Its totient is φ = 878594304.

The previous prime is 2196786751. The next prime is 2196786793. The reversal of 2196786770 is 776876912.

It can be written as a sum of positive squares in 4 ways, for example, as 993321289 + 1203465481 = 31517^2 + 34691^2 .

It is a super-2 number, since 2×2196786770² = 9651744225694065800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115496 + ... + 133164.

Almost surely, 2^2196786770 is an apocalyptic number.

2196786770 is a deficient number, since it is larger than the sum of its proper divisors (1757971270).

2196786770 is a wasteful number, since it uses less digits than its factorization.

2196786770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30109.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The square root of 2196786770 is about 46869.8919350152. The cubic root of 2196786770 is about 1299.9579414401.

The spelling of 2196786770 in words is "two billion, one hundred ninety-six million, seven hundred eighty-six thousand, seven hundred seventy".