6441614947 has 4 divisors (see below), whose sum is σ = 6451390440. Its totient is φ = 6431839456.

The previous prime is 6441614929. The next prime is 6441614981. The reversal of 6441614947 is 7494161446.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6441614947 - 2¹¹ = 6441612899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6441614897 and 6441614906.

It is not an unprimeable number, because it can be changed into a prime (6441614447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4886758 + ... + 4888075.

It is an arithmetic number, because the mean of its divisors is an integer number (1612847610).

Almost surely, 2^6441614947 is an apocalyptic number.

6441614947 is a deficient number, since it is larger than the sum of its proper divisors (9775493).

6441614947 is an equidigital number, since it uses as much as digits as its factorization.

6441614947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9775492.

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

The square root of 6441614947 is about 80259.6719841291. The cubic root of 6441614947 is about 1860.6509983742.

The spelling of 6441614947 in words is "six billion, four hundred forty-one million, six hundred fourteen thousand, nine hundred forty-seven".