43245197071 has 2 divisors, whose sum is σ = 43245197072. Its totient is φ = 43245197070.

The previous prime is 43245197069. The next prime is 43245197087. The reversal of 43245197071 is 17079154234.

43245197071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43245197071 - 2¹ = 43245197069 is a prime.

Together with 43245197069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43245597071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21622598535 + 21622598536.

It is an arithmetic number, because the mean of its divisors is an integer number (21622598536).

Almost surely, 2^43245197071 is an apocalyptic number.

43245197071 is a deficient number, since it is larger than the sum of its proper divisors (1).

43245197071 is an equidigital number, since it uses as much as digits as its factorization.

43245197071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 43245197071 in words is "forty-three billion, two hundred forty-five million, one hundred ninety-seven thousand, seventy-one".