2147670671 has 4 divisors (see below), whose sum is σ = 2148414912. Its totient is φ = 2146926432.

The previous prime is 2147670641. The next prime is 2147670677. The reversal of 2147670671 is 1760767412.

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

It is a cyclic number.

It is not a de Polignac number, because 2147670671 - 2¹⁰ = 2147669647 is a prime.

It is a super-2 number, since 2×2147670671² = 9224978622147180482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147670677) 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, 367775 + ... + 373568.

It is an arithmetic number, because the mean of its divisors is an integer number (537103728).

Almost surely, 2^2147670671 is an apocalyptic number.

2147670671 is a deficient number, since it is larger than the sum of its proper divisors (744241).

2147670671 is an equidigital number, since it uses as much as digits as its factorization.

2147670671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744240.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 2147670671 is about 46342.9678700016. The cubic root of 2147670671 is about 1290.1966070549.

The spelling of 2147670671 in words is "two billion, one hundred forty-seven million, six hundred seventy thousand, six hundred seventy-one".