2973284857 has 2 divisors, whose sum is σ = 2973284858. Its totient is φ = 2973284856.

The previous prime is 2973284849. The next prime is 2973284879. The reversal of 2973284857 is 7584823792.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1996659856 + 976625001 = 44684^2 + 31251^2 .

It is a cyclic number.

It is not a de Polignac number, because 2973284857 - 2³ = 2973284849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2973284798 and 2973284807.

It is not a weakly prime, because it can be changed into another prime (2973284057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1486642428 + 1486642429.

It is an arithmetic number, because the mean of its divisors is an integer number (1486642429).

Almost surely, 2^2973284857 is an apocalyptic number.

It is an amenable number.

2973284857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2973284857 is an equidigital number, since it uses as much as digits as its factorization.

2973284857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 55.

The square root of 2973284857 is about 54527.8356163162. The cubic root of 2973284857 is about 1437.9556988718.

The spelling of 2973284857 in words is "two billion, nine hundred seventy-three million, two hundred eighty-four thousand, eight hundred fifty-seven".