2002061045057 has 2 divisors, whose sum is σ = 2002061045058. Its totient is φ = 2002061045056.

The previous prime is 2002061045021. The next prime is 2002061045161. The reversal of 2002061045057 is 7505401602002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1367049685681 + 635011359376 = 1169209^2 + 796876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002061045057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002061045657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001030522528 + 1001030522529.

It is an arithmetic number, because the mean of its divisors is an integer number (1001030522529).

Almost surely, 2^{2002061045057} is an apocalyptic number.

It is an amenable number.

2002061045057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002061045057 is an equidigital number, since it uses as much as digits as its factorization.

2002061045057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 2002061045057 its reverse (7505401602002), we get a palindrome (9507462647059).

The spelling of 2002061045057 in words is "two trillion, two billion, sixty-one million, forty-five thousand, fifty-seven".