43110413987 has 2 divisors, whose sum is σ = 43110413988. Its totient is φ = 43110413986.

The previous prime is 43110413909. The next prime is 43110413989. The reversal of 43110413987 is 78931401134.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43110413987 is a prime.

Together with 43110413989, 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 (43110413989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21555206993 + 21555206994.

It is an arithmetic number, because the mean of its divisors is an integer number (21555206994).

Almost surely, 2^43110413987 is an apocalyptic number.

43110413987 is a deficient number, since it is larger than the sum of its proper divisors (1).

43110413987 is an equidigital number, since it uses as much as digits as its factorization.

43110413987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 43110413987 in words is "forty-three billion, one hundred ten million, four hundred thirteen thousand, nine hundred eighty-seven".