2013447671 has 4 divisors (see below), whose sum is σ = 2013598344. Its totient is φ = 2013297000.

The previous prime is 2013447661. The next prime is 2013447677. The reversal of 2013447671 is 1767443102.

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-2013447671 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 (2013447677) 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, 53105 + ... + 82746.

It is an arithmetic number, because the mean of its divisors is an integer number (503399586).

Almost surely, 2^2013447671 is an apocalyptic number.

2013447671 is a deficient number, since it is larger than the sum of its proper divisors (150673).

2013447671 is a wasteful number, since it uses less digits than its factorization.

2013447671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150672.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 2013447671 is about 44871.4571971983. The cubic root of 2013447671 is about 1262.7385783936.

The spelling of 2013447671 in words is "two billion, thirteen million, four hundred forty-seven thousand, six hundred seventy-one".