2973248857 has 2 divisors, whose sum is σ = 2973248858. Its totient is φ = 2973248856.

The previous prime is 2973248833. The next prime is 2973248869. The reversal of 2973248857 is 7588423792.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2677959001 + 295289856 = 51749^2 + 17184^2 .

It is a cyclic number.

It is not a de Polignac number, because 2973248857 - 2¹⁵ = 2973216089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2973248798 and 2973248807.

It is not a weakly prime, because it can be changed into another prime (2973248357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1486624428 + 1486624429.

It is an arithmetic number, because the mean of its divisors is an integer number (1486624429).

Almost surely, 2^2973248857 is an apocalyptic number.

It is an amenable number.

2973248857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2973248857 is an equidigital number, since it uses as much as digits as its factorization.

2973248857 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2973248857 is about 54527.5055086880. The cubic root of 2973248857 is about 1437.9498953451.

The spelling of 2973248857 in words is "two billion, nine hundred seventy-three million, two hundred forty-eight thousand, eight hundred fifty-seven".