30714395681 has 4 divisors (see below), whose sum is σ = 30715320132. Its totient is φ = 30713471232.

The previous prime is 30714395633. The next prime is 30714395683. The reversal of 30714395681 is 18659341703.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18659341703 = 53 ⋅352063051.

It can be written as a sum of positive squares in 2 ways, for example, as 27145528081 + 3568867600 = 164759^2 + 59740^2 .

It is a cyclic number.

It is not a de Polignac number, because 30714395681 - 2⁶ = 30714395617 is a prime.

It is a super-2 number, since 2×30714395681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30714395683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410456 + ... + 479481.

It is an arithmetic number, because the mean of its divisors is an integer number (7678830033).

Almost surely, 2^30714395681 is an apocalyptic number.

It is an amenable number.

30714395681 is a deficient number, since it is larger than the sum of its proper divisors (924451).

30714395681 is an equidigital number, since it uses as much as digits as its factorization.

30714395681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924450.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 30714395681 in words is "thirty billion, seven hundred fourteen million, three hundred ninety-five thousand, six hundred eighty-one".