43045234187 has 2 divisors, whose sum is σ = 43045234188. Its totient is φ = 43045234186.

The previous prime is 43045234087. The next prime is 43045234189. The reversal of 43045234187 is 78143254034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43045234187 - 2²² = 43041039883 is a prime.

Together with 43045234189, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43045234189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21522617093 + 21522617094.

It is an arithmetic number, because the mean of its divisors is an integer number (21522617094).

Almost surely, 2^43045234187 is an apocalyptic number.

43045234187 is a deficient number, since it is larger than the sum of its proper divisors (1).

43045234187 is an equidigital number, since it uses as much as digits as its factorization.

43045234187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 43045234187 in words is "forty-three billion, forty-five million, two hundred thirty-four thousand, one hundred eighty-seven".