6157543543 has 2 divisors, whose sum is σ = 6157543544. Its totient is φ = 6157543542.

The previous prime is 6157543537. The next prime is 6157543559. The reversal of 6157543543 is 3453457516.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6157543543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6157543543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6157543043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078771771 + 3078771772.

It is an arithmetic number, because the mean of its divisors is an integer number (3078771772).

Almost surely, 2^6157543543 is an apocalyptic number.

6157543543 is a deficient number, since it is larger than the sum of its proper divisors (1).

6157543543 is an equidigital number, since it uses as much as digits as its factorization.

6157543543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756000, while the sum is 43.

The square root of 6157543543 is about 78470.0168408291. The cubic root of 6157543543 is about 1832.8875891947.

The spelling of 6157543543 in words is "six billion, one hundred fifty-seven million, five hundred forty-three thousand, five hundred forty-three".