7542163843 has 2 divisors, whose sum is σ = 7542163844. Its totient is φ = 7542163842.

The previous prime is 7542163819. The next prime is 7542163847. The reversal of 7542163843 is 3483612457.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7542163843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7542163843.

It is not a weakly prime, because it can be changed into another prime (7542163847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3771081921 + 3771081922.

It is an arithmetic number, because the mean of its divisors is an integer number (3771081922).

Almost surely, 2^7542163843 is an apocalyptic number.

7542163843 is a deficient number, since it is larger than the sum of its proper divisors (1).

7542163843 is an equidigital number, since it uses as much as digits as its factorization.

7542163843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 43.

The square root of 7542163843 is about 86845.6322620775. The cubic root of 7542163843 is about 1961.0950984097.

The spelling of 7542163843 in words is "seven billion, five hundred forty-two million, one hundred sixty-three thousand, eight hundred forty-three".