2134243493 has 2 divisors, whose sum is σ = 2134243494. Its totient is φ = 2134243492.

The previous prime is 2134243477. The next prime is 2134243511. The reversal of 2134243493 is 3943424312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2127700129 + 6543364 = 46127^2 + 2558^2 .

It is a cyclic number.

It is not a de Polignac number, because 2134243493 - 2⁴ = 2134243477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134243093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067121746 + 1067121747.

It is an arithmetic number, because the mean of its divisors is an integer number (1067121747).

Almost surely, 2^2134243493 is an apocalyptic number.

It is an amenable number.

2134243493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134243493 is an equidigital number, since it uses as much as digits as its factorization.

2134243493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 35.

The square root of 2134243493 is about 46197.8732519150. The cubic root of 2134243493 is about 1287.5022262569.

The spelling of 2134243493 in words is "two billion, one hundred thirty-four million, two hundred forty-three thousand, four hundred ninety-three".