2047773217651 has 16 divisors (see below), whose sum is σ = 2345243410944. Its totient is φ = 1751536649664.

The previous prime is 2047773217627. The next prime is 2047773217681. The reversal of 2047773217651 is 1567123777402.

It is a cyclic number.

It is not a de Polignac number, because 2047773217651 - 2¹⁵ = 2047773184883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2047773217601) 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 15 ways as a sum of consecutive naturals, for example, 34536036 + ... + 34595278.

It is an arithmetic number, because the mean of its divisors is an integer number (146577713184).

Almost surely, 2^{2047773217651} is an apocalyptic number.

2047773217651 is a deficient number, since it is larger than the sum of its proper divisors (297470193293).

2047773217651 is an equidigital number, since it uses as much as digits as its factorization.

2047773217651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69570.

The product of its (nonzero) digits is 3457440, while the sum is 52.

The spelling of 2047773217651 in words is "two trillion, forty-seven billion, seven hundred seventy-three million, two hundred seventeen thousand, six hundred fifty-one".