863434718331 has 8 divisors (see below), whose sum is σ = 1152431924544. Its totient is φ = 575030328840.

The previous prime is 863434718327. The next prime is 863434718357. The reversal of 863434718331 is 133817434368.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 863434718331 - 2² = 863434718327 is a prime.

It is a super-2 number, since 2×863434718331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (863434711331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148200781 + ... + 148206606.

It is an arithmetic number, because the mean of its divisors is an integer number (144053990568).

Almost surely, 2^863434718331 is an apocalyptic number.

863434718331 is a deficient number, since it is larger than the sum of its proper divisors (288997206213).

863434718331 is a wasteful number, since it uses less digits than its factorization.

863434718331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296408361.

The product of its digits is 3483648, while the sum is 51.

The spelling of 863434718331 in words is "eight hundred sixty-three billion, four hundred thirty-four million, seven hundred eighteen thousand, three hundred thirty-one".