81347341334 has 8 divisors (see below), whose sum is σ = 139452585168. Its totient is φ = 34863146280.

The previous prime is 81347341289. The next prime is 81347341337. The reversal of 81347341334 is 43314374318.

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

It is a super-2 number, since 2×81347341334² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 81347341291 and 81347341300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81347341337) 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 3 ways as a sum of consecutive naturals, for example, 2905262177 + ... + 2905262204.

It is an arithmetic number, because the mean of its divisors is an integer number (17431573146).

Almost surely, 2^81347341334 is an apocalyptic number.

81347341334 is a deficient number, since it is larger than the sum of its proper divisors (58105243834).

81347341334 is a wasteful number, since it uses less digits than its factorization.

81347341334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810524390.

The product of its digits is 290304, while the sum is 41.

The spelling of 81347341334 in words is "eighty-one billion, three hundred forty-seven million, three hundred forty-one thousand, three hundred thirty-four".