7749842423 has 2 divisors, whose sum is σ = 7749842424. Its totient is φ = 7749842422.

The previous prime is 7749842383. The next prime is 7749842447. The reversal of 7749842423 is 3242489477.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7749842423 - 2²⁸ = 7481406967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7749842473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3874921211 + 3874921212.

It is an arithmetic number, because the mean of its divisors is an integer number (3874921212).

Almost surely, 2^7749842423 is an apocalyptic number.

7749842423 is a deficient number, since it is larger than the sum of its proper divisors (1).

7749842423 is an equidigital number, since it uses as much as digits as its factorization.

7749842423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 50.

The square root of 7749842423 is about 88033.1893265262. The cubic root of 7749842423 is about 1978.9323924335.

The spelling of 7749842423 in words is "seven billion, seven hundred forty-nine million, eight hundred forty-two thousand, four hundred twenty-three".