2947578063273 has 20 divisors (see below), whose sum is σ = 4403710722048. Its totient is φ = 1964811696120.

The previous prime is 2947578063253. The next prime is 2947578063307. The reversal of 2947578063273 is 3723608757492.

2947578063273 is a `hidden beast` number, since 2 + 9 + 475 + 7 + 80 + 63 + 27 + 3 = 666.

It is not a de Polignac number, because 2947578063273 - 2⁹ = 2947578062761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2947578063273.

It is not an unprimeable number, because it can be changed into a prime (2947578063253) 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 19 ways as a sum of consecutive naturals, for example, 1557861 + ... + 2884802.

Almost surely, 2^{2947578063273} is an apocalyptic number.

It is an amenable number.

2947578063273 is a deficient number, since it is larger than the sum of its proper divisors (1456132658775).

2947578063273 is an equidigital number, since it uses as much as digits as its factorization.

2947578063273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450866 (or 4450857 counting only the distinct ones).

The product of its (nonzero) digits is 106686720, while the sum is 63.

The spelling of 2947578063273 in words is "two trillion, nine hundred forty-seven billion, five hundred seventy-eight million, sixty-three thousand, two hundred seventy-three".