4947447494 has 16 divisors (see below), whose sum is σ = 8098030080. Its totient is φ = 2248226760.

The previous prime is 4947447493. The next prime is 4947447539.

It is a happy number.

4947447494 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4947447493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57527 + ... + 114909.

It is an arithmetic number, because the mean of its divisors is an integer number (506126880).

Almost surely, 2^4947447494 is an apocalyptic number.

4947447494 is a deficient number, since it is larger than the sum of its proper divisors (3150582586).

4947447494 is a wasteful number, since it uses less digits than its factorization.

4947447494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61315.

The product of its digits is 16257024, while the sum is 56.

The square root of 4947447494 is about 70338.0941880003. The cubic root of 4947447494 is about 1703.9639327136.

The spelling of 4947447494 in words is "four billion, nine hundred forty-seven million, four hundred forty-seven thousand, four hundred ninety-four".