973569647 has 2 divisors, whose sum is σ = 973569648. Its totient is φ = 973569646.

The previous prime is 973569629. The next prime is 973569661. The reversal of 973569647 is 746965379.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 973569647 - 2¹⁰ = 973568623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 973569592 and 973569601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (973569347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486784823 + 486784824.

It is an arithmetic number, because the mean of its divisors is an integer number (486784824).

Almost surely, 2^973569647 is an apocalyptic number.

973569647 is a deficient number, since it is larger than the sum of its proper divisors (1).

973569647 is an equidigital number, since it uses as much as digits as its factorization.

973569647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8573040, while the sum is 56.

The square root of 973569647 is about 31202.0776071082. The cubic root of 973569647 is about 991.1111039720. Note that the first 4 decimals are identical.

The spelling of 973569647 in words is "nine hundred seventy-three million, five hundred sixty-nine thousand, six hundred forty-seven".