2188893313 has 2 divisors, whose sum is σ = 2188893314. Its totient is φ = 2188893312.

The previous prime is 2188893307. The next prime is 2188893337. The reversal of 2188893313 is 3133988812.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1788613264 + 400280049 = 42292^2 + 20007^2 .

It is a cyclic number.

It is not a de Polignac number, because 2188893313 - 2⁹ = 2188892801 is a prime.

It is a super-2 number, since 2×2188893313² = 9582507871392231938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2188893013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094446656 + 1094446657.

It is an arithmetic number, because the mean of its divisors is an integer number (1094446657).

Almost surely, 2^2188893313 is an apocalyptic number.

It is an amenable number.

2188893313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2188893313 is an equidigital number, since it uses as much as digits as its factorization.

2188893313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The square root of 2188893313 is about 46785.6101060999. The cubic root of 2188893313 is about 1298.3990772354.

The spelling of 2188893313 in words is "two billion, one hundred eighty-eight million, eight hundred ninety-three thousand, three hundred thirteen".