43679397871 has 2 divisors, whose sum is σ = 43679397872. Its totient is φ = 43679397870.

The previous prime is 43679397833. The next prime is 43679397913. The reversal of 43679397871 is 17879397634.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43679397871 - 2⁷ = 43679397743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43679397821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21839698935 + 21839698936.

It is an arithmetic number, because the mean of its divisors is an integer number (21839698936).

Almost surely, 2^43679397871 is an apocalyptic number.

43679397871 is a deficient number, since it is larger than the sum of its proper divisors (1).

43679397871 is an equidigital number, since it uses as much as digits as its factorization.

43679397871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48009024, while the sum is 64.

The spelling of 43679397871 in words is "forty-three billion, six hundred seventy-nine million, three hundred ninety-seven thousand, eight hundred seventy-one".