4045456321057 has 2 divisors, whose sum is σ = 4045456321058. Its totient is φ = 4045456321056.

The previous prime is 4045456321033. The next prime is 4045456321061. The reversal of 4045456321057 is 7501236545404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2193363962001 + 1852092359056 = 1481001^2 + 1360916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4045456321057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4045456320998 and 4045456321016.

It is not a weakly prime, because it can be changed into another prime (4045456321007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022728160528 + 2022728160529.

It is an arithmetic number, because the mean of its divisors is an integer number (2022728160529).

Almost surely, 2^{4045456321057} is an apocalyptic number.

It is an amenable number.

4045456321057 is a deficient number, since it is larger than the sum of its proper divisors (1).

4045456321057 is an equidigital number, since it uses as much as digits as its factorization.

4045456321057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016000, while the sum is 46.

The spelling of 4045456321057 in words is "four trillion, forty-five billion, four hundred fifty-six million, three hundred twenty-one thousand, fifty-seven".