2213813738 has 4 divisors (see below), whose sum is σ = 3320720610. Its totient is φ = 1106906868.

The previous prime is 2213813717. The next prime is 2213813743. The reversal of 2213813738 is 8373183122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1604563249 + 609250489 = 40057^2 + 24683^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553453433 + ... + 553453436.

Almost surely, 2^2213813738 is an apocalyptic number.

2213813738 is a deficient number, since it is larger than the sum of its proper divisors (1106906872).

2213813738 is a wasteful number, since it uses less digits than its factorization.

2213813738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106906871.

The product of its digits is 48384, while the sum is 38.

The square root of 2213813738 is about 47051.1821105485. The cubic root of 2213813738 is about 1303.3078949400.

The spelling of 2213813738 in words is "two billion, two hundred thirteen million, eight hundred thirteen thousand, seven hundred thirty-eight".