2182311493 has 2 divisors, whose sum is σ = 2182311494. Its totient is φ = 2182311492.

The previous prime is 2182311487. The next prime is 2182311499. The reversal of 2182311493 is 3941132812.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2182311487) and next prime (2182311499).

It can be written as a sum of positive squares in only one way, i.e., 1869092289 + 313219204 = 43233^2 + 17698^2 .

It is a cyclic number.

It is not a de Polignac number, because 2182311493 - 2¹³ = 2182303301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2182311499) by changing a digit.

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 as a sum of consecutive naturals, namely, 1091155746 + 1091155747.

It is an arithmetic number, because the mean of its divisors is an integer number (1091155747).

Almost surely, 2^2182311493 is an apocalyptic number.

It is an amenable number.

2182311493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2182311493 is an equidigital number, since it uses as much as digits as its factorization.

2182311493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 2182311493 is about 46715.2169319591. The cubic root of 2182311493 is about 1297.0963780079.

The spelling of 2182311493 in words is "two billion, one hundred eighty-two million, three hundred eleven thousand, four hundred ninety-three".