81014343414 has 32 divisors (see below), whose sum is σ = 165825563904. Its totient is φ = 26372186400.

The previous prime is 81014343407. The next prime is 81014343433. The reversal of 81014343414 is 41434341018.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1666192 + ... + 1714124.

It is an arithmetic number, because the mean of its divisors is an integer number (5182048872).

Almost surely, 2^81014343414 is an apocalyptic number.

81014343414 is an abundant number, since it is smaller than the sum of its proper divisors (84811220490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

81014343414 is a wasteful number, since it uses less digits than its factorization.

81014343414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54532.

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 81014343414 in words is "eighty-one billion, fourteen million, three hundred forty-three thousand, four hundred fourteen".