863143093 has 4 divisors (see below), whose sum is σ = 872841420. Its totient is φ = 853444768.

The previous prime is 863143081. The next prime is 863143097. The reversal of 863143093 is 390341368.

863143093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 262991089 + 600152004 = 16217^2 + 24498^2 .

It is a cyclic number.

It is not a de Polignac number, because 863143093 - 2¹³ = 863134901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863143097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4849030 + ... + 4849207.

It is an arithmetic number, because the mean of its divisors is an integer number (218210355).

Almost surely, 2^863143093 is an apocalyptic number.

It is an amenable number.

863143093 is a deficient number, since it is larger than the sum of its proper divisors (9698327).

863143093 is an equidigital number, since it uses as much as digits as its factorization.

863143093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9698326.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 863143093 is about 29379.2970133732. The cubic root of 863143093 is about 952.1256531677.

The spelling of 863143093 in words is "eight hundred sixty-three million, one hundred forty-three thousand, ninety-three".