2213664693 has 32 divisors (see below), whose sum is σ = 3124915200. Its totient is φ = 1391085696.

The previous prime is 2213664683. The next prime is 2213664701. The reversal of 2213664693 is 3964663122.

It is not a de Polignac number, because 2213664693 - 2²¹ = 2211567541 is a prime.

It is a super-2 number, since 2×2213664693² = 9800622746069568498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213664653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3358798 + ... + 3359456.

It is an arithmetic number, because the mean of its divisors is an integer number (97653600).

Almost surely, 2^2213664693 is an apocalyptic number.

2213664693 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2213664693 is a deficient number, since it is larger than the sum of its proper divisors (911250507).

2213664693 is a wasteful number, since it uses less digits than its factorization.

2213664693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321.

The product of its digits is 279936, while the sum is 42.

The square root of 2213664693 is about 47049.5982235768. The cubic root of 2213664693 is about 1303.2786458842.

The spelling of 2213664693 in words is "two billion, two hundred thirteen million, six hundred sixty-four thousand, six hundred ninety-three".