2043403322057 has 2 divisors, whose sum is σ = 2043403322058. Its totient is φ = 2043403322056.

The previous prime is 2043403322047. The next prime is 2043403322099. The reversal of 2043403322057 is 7502233043402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1262620784896 + 780782537161 = 1123664^2 + 883619^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043403322057 - 2³² = 2039108354761 is a prime.

It is a super-2 number, since 2×2043403322057² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2043403322047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021701661028 + 1021701661029.

It is an arithmetic number, because the mean of its divisors is an integer number (1021701661029).

Almost surely, 2^{2043403322057} is an apocalyptic number.

It is an amenable number.

2043403322057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043403322057 is an equidigital number, since it uses as much as digits as its factorization.

2043403322057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 35.

Adding to 2043403322057 its reverse (7502233043402), we get a palindrome (9545636365459).

The spelling of 2043403322057 in words is "two trillion, forty-three billion, four hundred three million, three hundred twenty-two thousand, fifty-seven".