844750493 has 2 divisors, whose sum is σ = 844750494. Its totient is φ = 844750492.

The previous prime is 844750471. The next prime is 844750547. The reversal of 844750493 is 394057448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 843205444 + 1545049 = 29038^2 + 1243^2 .

It is a cyclic number.

It is not a de Polignac number, because 844750493 - 2¹⁸ = 844488349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (844750433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422375246 + 422375247.

It is an arithmetic number, because the mean of its divisors is an integer number (422375247).

Almost surely, 2^844750493 is an apocalyptic number.

It is an amenable number.

844750493 is a deficient number, since it is larger than the sum of its proper divisors (1).

844750493 is an equidigital number, since it uses as much as digits as its factorization.

844750493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 844750493 is about 29064.5917397785. The cubic root of 844750493 is about 945.3141338749.

The spelling of 844750493 in words is "eight hundred forty-four million, seven hundred fifty thousand, four hundred ninety-three".