43542484291 has 2 divisors, whose sum is σ = 43542484292. Its totient is φ = 43542484290.

The previous prime is 43542484261. The next prime is 43542484301. The reversal of 43542484291 is 19248424534.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43542484291 - 2⁹ = 43542483779 is a prime.

It is not a weakly prime, because it can be changed into another prime (43542484211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21771242145 + 21771242146.

It is an arithmetic number, because the mean of its divisors is an integer number (21771242146).

Almost surely, 2^43542484291 is an apocalyptic number.

43542484291 is a deficient number, since it is larger than the sum of its proper divisors (1).

43542484291 is an equidigital number, since it uses as much as digits as its factorization.

43542484291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1105920, while the sum is 46.

The spelling of 43542484291 in words is "forty-three billion, five hundred forty-two million, four hundred eighty-four thousand, two hundred ninety-one".