412371671447 has 4 divisors (see below), whose sum is σ = 413232573120. Its totient is φ = 411510769776.

The previous prime is 412371671441. The next prime is 412371671449. The reversal of 412371671447 is 744176173214.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-412371671447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412371671441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430450118 + ... + 430451075.

It is an arithmetic number, because the mean of its divisors is an integer number (103308143280).

Almost surely, 2^412371671447 is an apocalyptic number.

412371671447 is a deficient number, since it is larger than the sum of its proper divisors (860901673).

412371671447 is an equidigital number, since it uses as much as digits as its factorization.

412371671447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860901672.

The product of its digits is 790272, while the sum is 47.

The spelling of 412371671447 in words is "four hundred twelve billion, three hundred seventy-one million, six hundred seventy-one thousand, four hundred forty-seven".