210492838093 has 2 divisors, whose sum is σ = 210492838094. Its totient is φ = 210492838092.

The previous prime is 210492838069. The next prime is 210492838139. The reversal of 210492838093 is 390838294012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112146623689 + 98346214404 = 334883^2 + 313602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210492838093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210492838793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105246419046 + 105246419047.

It is an arithmetic number, because the mean of its divisors is an integer number (105246419047).

Almost surely, 2^210492838093 is an apocalyptic number.

It is an amenable number.

210492838093 is a deficient number, since it is larger than the sum of its proper divisors (1).

210492838093 is an equidigital number, since it uses as much as digits as its factorization.

210492838093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 210492838093 in words is "two hundred ten billion, four hundred ninety-two million, eight hundred thirty-eight thousand, ninety-three".