9140549863 has 2 divisors, whose sum is σ = 9140549864. Its totient is φ = 9140549862.

The previous prime is 9140549843. The next prime is 9140549867. The reversal of 9140549863 is 3689450419.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9140549863 - 2⁹ = 9140549351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9140549867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4570274931 + 4570274932.

It is an arithmetic number, because the mean of its divisors is an integer number (4570274932).

Almost surely, 2^9140549863 is an apocalyptic number.

9140549863 is a deficient number, since it is larger than the sum of its proper divisors (1).

9140549863 is an equidigital number, since it uses as much as digits as its factorization.

9140549863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 9140549863 is about 95606.2229303093. Note that the first 3 decimals coincide. The cubic root of 9140549863 is about 2090.8559227847.

The spelling of 9140549863 in words is "nine billion, one hundred forty million, five hundred forty-nine thousand, eight hundred sixty-three".