19958093 has 2 divisors, whose sum is σ = 19958094. Its totient is φ = 19958092.

The previous prime is 19958069. The next prime is 19958101. The reversal of 19958093 is 39085991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17656804 + 2301289 = 4202^2 + 1517^2 .

It is a cyclic number.

It is not a de Polignac number, because 19958093 - 2¹⁶ = 19892557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19958053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9979046 + 9979047.

It is an arithmetic number, because the mean of its divisors is an integer number (9979047).

Almost surely, 2^19958093 is an apocalyptic number.

It is an amenable number.

19958093 is a deficient number, since it is larger than the sum of its proper divisors (1).

19958093 is an equidigital number, since it uses as much as digits as its factorization.

19958093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 19958093 is about 4467.4481530288. The cubic root of 19958093 is about 271.2520405886.

The spelling of 19958093 in words is "nineteen million, nine hundred fifty-eight thousand, ninety-three".