81430290714 has 8 divisors (see below), whose sum is σ = 162860581440. Its totient is φ = 27143430236.

The previous prime is 81430290707. The next prime is 81430290811. The reversal of 81430290714 is 41709203418.

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

81430290714 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6785857554 + ... + 6785857565.

It is an arithmetic number, because the mean of its divisors is an integer number (20357572680).

Almost surely, 2^81430290714 is an apocalyptic number.

81430290714 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

81430290714 is a wasteful number, since it uses less digits than its factorization.

81430290714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13571715124.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 81430290714 in words is "eighty-one billion, four hundred thirty million, two hundred ninety thousand, seven hundred fourteen".