4002550551947 has 2 divisors, whose sum is σ = 4002550551948. Its totient is φ = 4002550551946.

The previous prime is 4002550551931. The next prime is 4002550552009. The reversal of 4002550551947 is 7491550552004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4002550551947 - 2⁴ = 4002550551931 is a prime.

It is not a weakly prime, because it can be changed into another prime (4002550551047) 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 as a sum of consecutive naturals, namely, 2001275275973 + 2001275275974.

It is an arithmetic number, because the mean of its divisors is an integer number (2001275275974).

Almost surely, 2^{4002550551947} is an apocalyptic number.

4002550551947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002550551947 is an equidigital number, since it uses as much as digits as its factorization.

4002550551947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260000, while the sum is 47.

The spelling of 4002550551947 in words is "four trillion, two billion, five hundred fifty million, five hundred fifty-one thousand, nine hundred forty-seven".