81463034214 has 24 divisors (see below), whose sum is σ = 176796946872. Its totient is φ = 27109159200.

The previous prime is 81463034183. The next prime is 81463034227. The reversal of 81463034214 is 41243036418.

81463034214 is a `hidden beast` number, since 8 + 1 + 4 + 630 + 3 + 4 + 2 + 14 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3754344 + ... + 3775979.

It is an arithmetic number, because the mean of its divisors is an integer number (7366539453).

Almost surely, 2^81463034214 is an apocalyptic number.

81463034214 is an abundant number, since it is smaller than the sum of its proper divisors (95333912658).

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

81463034214 is a wasteful number, since it uses less digits than its factorization.

81463034214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7530932 (or 7530929 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 81463034214 in words is "eighty-one billion, four hundred sixty-three million, thirty-four thousand, two hundred fourteen".