9740990555243 has 2 divisors, whose sum is σ = 9740990555244. Its totient is φ = 9740990555242.

The previous prime is 9740990555119. The next prime is 9740990555251. The reversal of 9740990555243 is 3425550990479.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9740990555243 - 2³⁸ = 9466112648299 is a prime.

It is not a weakly prime, because it can be changed into another prime (9740990575243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4870495277621 + 4870495277622.

It is an arithmetic number, because the mean of its divisors is an integer number (4870495277622).

Almost surely, 2^{9740990555243} is an apocalyptic number.

9740990555243 is a deficient number, since it is larger than the sum of its proper divisors (1).

9740990555243 is an equidigital number, since it uses as much as digits as its factorization.

9740990555243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236000, while the sum is 62.

The spelling of 9740990555243 in words is "nine trillion, seven hundred forty billion, nine hundred ninety million, five hundred fifty-five thousand, two hundred forty-three".