7242643043 has 2 divisors, whose sum is σ = 7242643044. Its totient is φ = 7242643042.

The previous prime is 7242643039. The next prime is 7242643063. The reversal of 7242643043 is 3403462427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7242643043 - 2² = 7242643039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7242642994 and 7242643012.

It is not a weakly prime, because it can be changed into another prime (7242643063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621321521 + 3621321522.

It is an arithmetic number, because the mean of its divisors is an integer number (3621321522).

Almost surely, 2^7242643043 is an apocalyptic number.

7242643043 is a deficient number, since it is larger than the sum of its proper divisors (1).

7242643043 is an equidigital number, since it uses as much as digits as its factorization.

7242643043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 35.

The square root of 7242643043 is about 85103.7193253033. The cubic root of 7242643043 is about 1934.7834350013.

The spelling of 7242643043 in words is "seven billion, two hundred forty-two million, six hundred forty-three thousand, forty-three".