2934247681 has 8 divisors (see below), whose sum is σ = 3078556928. Its totient is φ = 2793042000.

The previous prime is 2934247571. The next prime is 2934247699. The reversal of 2934247681 is 1867424392.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2934247681 - 2²³ = 2925859073 is a prime.

It is a super-2 number, since 2×2934247681² = 17219618906907755522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2934247181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773955 + ... + 777736.

It is an arithmetic number, because the mean of its divisors is an integer number (384819616).

Almost surely, 2^2934247681 is an apocalyptic number.

It is an amenable number.

2934247681 is a deficient number, since it is larger than the sum of its proper divisors (144309247).

2934247681 is a wasteful number, since it uses less digits than its factorization.

2934247681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551783.

The product of its digits is 580608, while the sum is 46.

The square root of 2934247681 is about 54168.6965045311. The cubic root of 2934247681 is about 1431.6348331355.

The spelling of 2934247681 in words is "two billion, nine hundred thirty-four million, two hundred forty-seven thousand, six hundred eighty-one".