32170145543 has 2 divisors, whose sum is σ = 32170145544. Its totient is φ = 32170145542.

The previous prime is 32170145531. The next prime is 32170145569. The reversal of 32170145543 is 34554107123.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32170145543 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32170145503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16085072771 + 16085072772.

It is an arithmetic number, because the mean of its divisors is an integer number (16085072772).

Almost surely, 2^32170145543 is an apocalyptic number.

32170145543 is a deficient number, since it is larger than the sum of its proper divisors (1).

32170145543 is an equidigital number, since it uses as much as digits as its factorization.

32170145543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 32170145543 in words is "thirty-two billion, one hundred seventy million, one hundred forty-five thousand, five hundred forty-three".