43195299601543 has 2 divisors, whose sum is σ = 43195299601544. Its totient is φ = 43195299601542.

The previous prime is 43195299601513. The next prime is 43195299601609. The reversal of 43195299601543 is 34510699259134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43195299601543 - 2⁵ = 43195299601511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43195299601513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21597649800771 + 21597649800772.

It is an arithmetic number, because the mean of its divisors is an integer number (21597649800772).

Almost surely, 2^{43195299601543} is an apocalyptic number.

43195299601543 is a deficient number, since it is larger than the sum of its proper divisors (1).

43195299601543 is an equidigital number, since it uses as much as digits as its factorization.

43195299601543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31492800, while the sum is 61.

The spelling of 43195299601543 in words is "forty-three trillion, one hundred ninety-five billion, two hundred ninety-nine million, six hundred one thousand, five hundred forty-three".