2043334442257 has 2 divisors, whose sum is σ = 2043334442258. Its totient is φ = 2043334442256.

The previous prime is 2043334442221. The next prime is 2043334442267. The reversal of 2043334442257 is 7522444333402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1924778868496 + 118555573761 = 1387364^2 + 344319^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043334442257 - 2²⁷ = 2043200224529 is a prime.

It is not a weakly prime, because it can be changed into another prime (2043334442207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021667221128 + 1021667221129.

It is an arithmetic number, because the mean of its divisors is an integer number (1021667221129).

Almost surely, 2^{2043334442257} is an apocalyptic number.

It is an amenable number.

2043334442257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043334442257 is an equidigital number, since it uses as much as digits as its factorization.

2043334442257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 43.

Adding to 2043334442257 its reverse (7522444333402), we get a palindrome (9565778775659).

The spelling of 2043334442257 in words is "two trillion, forty-three billion, three hundred thirty-four million, four hundred forty-two thousand, two hundred fifty-seven".