863949341 has 2 divisors, whose sum is σ = 863949342. Its totient is φ = 863949340.

The previous prime is 863949319. The next prime is 863949349. The reversal of 863949341 is 143949368.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 863772100 + 177241 = 29390^2 + 421^2 .

It is a cyclic number.

It is not a de Polignac number, because 863949341 - 2⁶ = 863949277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (863949349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431974670 + 431974671.

It is an arithmetic number, because the mean of its divisors is an integer number (431974671).

Almost surely, 2^863949341 is an apocalyptic number.

It is an amenable number.

863949341 is a deficient number, since it is larger than the sum of its proper divisors (1).

863949341 is an equidigital number, since it uses as much as digits as its factorization.

863949341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 47.

The square root of 863949341 is about 29393.0151736769. The cubic root of 863949341 is about 952.4220159676.

The spelling of 863949341 in words is "eight hundred sixty-three million, nine hundred forty-nine thousand, three hundred forty-one".