2043252502549 has 2 divisors, whose sum is σ = 2043252502550. Its totient is φ = 2043252502548.

The previous prime is 2043252502523. The next prime is 2043252502559. The reversal of 2043252502549 is 9452052523402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1177264060324 + 865988442225 = 1085018^2 + 930585^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043252502549 - 2¹⁷ = 2043252371477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043252502559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021626251274 + 1021626251275.

It is an arithmetic number, because the mean of its divisors is an integer number (1021626251275).

Almost surely, 2^{2043252502549} is an apocalyptic number.

It is an amenable number.

2043252502549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043252502549 is an equidigital number, since it uses as much as digits as its factorization.

2043252502549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 2043252502549 in words is "two trillion, forty-three billion, two hundred fifty-two million, five hundred two thousand, five hundred forty-nine".