2133145493 has 2 divisors, whose sum is σ = 2133145494. Its totient is φ = 2133145492.

The previous prime is 2133145481. The next prime is 2133145541. The reversal of 2133145493 is 3945413312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1612986244 + 520159249 = 40162^2 + 22807^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133145493 - 2⁸ = 2133145237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2133145453) 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 as a sum of consecutive naturals, namely, 1066572746 + 1066572747.

It is an arithmetic number, because the mean of its divisors is an integer number (1066572747).

Almost surely, 2^2133145493 is an apocalyptic number.

It is an amenable number.

2133145493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133145493 is an equidigital number, since it uses as much as digits as its factorization.

2133145493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 2133145493 is about 46185.9880591506. The cubic root of 2133145493 is about 1287.2813954802.

The spelling of 2133145493 in words is "two billion, one hundred thirty-three million, one hundred forty-five thousand, four hundred ninety-three".