4047821712976 has 10 divisors (see below), whose sum is σ = 7842654568922. Its totient is φ = 2023910856480.

The previous prime is 4047821712967. The next prime is 4047821713087. The reversal of 4047821712976 is 6792171287404.

It can be written as a sum of positive squares in only one way, i.e., 3119250499600 + 928571213376 = 1766140^2 + 963624^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4047821712976.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126494428515 + ... + 126494428546.

Almost surely, 2^{4047821712976} is an apocalyptic number.

It is an amenable number.

4047821712976 is a deficient number, since it is larger than the sum of its proper divisors (3794832855946).

4047821712976 is a wasteful number, since it uses less digits than its factorization.

4047821712976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252988857069 (or 252988857063 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 58.

The spelling of 4047821712976 in words is "four trillion, forty-seven billion, eight hundred twenty-one million, seven hundred twelve thousand, nine hundred seventy-six".