841490173 has 2 divisors, whose sum is σ = 841490174. Its totient is φ = 841490172.

The previous prime is 841490101. The next prime is 841490179. The reversal of 841490173 is 371094148.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495418564 + 346071609 = 22258^2 + 18603^2 .

It is a cyclic number.

It is not a de Polignac number, because 841490173 - 2²¹ = 839393021 is a prime.

It is a super-2 number, since 2×841490173² = 1416211422511139858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (841490179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420745086 + 420745087.

It is an arithmetic number, because the mean of its divisors is an integer number (420745087).

Almost surely, 2^841490173 is an apocalyptic number.

It is an amenable number.

841490173 is a deficient number, since it is larger than the sum of its proper divisors (1).

841490173 is an equidigital number, since it uses as much as digits as its factorization.

841490173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 841490173 is about 29008.4500275351. The cubic root of 841490173 is about 944.0964172592.

The spelling of 841490173 in words is "eight hundred forty-one million, four hundred ninety thousand, one hundred seventy-three".