863093916791 has 2 divisors, whose sum is σ = 863093916792. Its totient is φ = 863093916790.

The previous prime is 863093916757. The next prime is 863093916821. The reversal of 863093916791 is 197619390368.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 863093916791 - 2¹⁰ = 863093915767 is a prime.

It is a super-2 number, since 2×863093916791² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (863093916701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431546958395 + 431546958396.

It is an arithmetic number, because the mean of its divisors is an integer number (431546958396).

Almost surely, 2^863093916791 is an apocalyptic number.

863093916791 is a deficient number, since it is larger than the sum of its proper divisors (1).

863093916791 is an equidigital number, since it uses as much as digits as its factorization.

863093916791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13226976, while the sum is 62.

The spelling of 863093916791 in words is "eight hundred sixty-three billion, ninety-three million, nine hundred sixteen thousand, seven hundred ninety-one".