2043407243077 has 2 divisors, whose sum is σ = 2043407243078. Its totient is φ = 2043407243076.

The previous prime is 2043407243029. The next prime is 2043407243099. The reversal of 2043407243077 is 7703427043402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1973558567556 + 69848675521 = 1404834^2 + 264289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2043407243077 is a prime.

It is a super-2 number, since 2×2043407243077² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043407243177) 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, 1021703621538 + 1021703621539.

It is an arithmetic number, because the mean of its divisors is an integer number (1021703621539).

Almost surely, 2^{2043407243077} is an apocalyptic number.

It is an amenable number.

2043407243077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043407243077 is an equidigital number, since it uses as much as digits as its factorization.

2043407243077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 790272, while the sum is 43.

The spelling of 2043407243077 in words is "two trillion, forty-three billion, four hundred seven million, two hundred forty-three thousand, seventy-seven".