6671425715 has 4 divisors (see below), whose sum is σ = 8005710864. Its totient is φ = 5337140568.

The previous prime is 6671425699. The next prime is 6671425723. The reversal of 6671425715 is 5175241766.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5175241766 = 2 ⋅2587620883.

It is a cyclic number.

It is not a de Polignac number, because 6671425715 - 2⁴ = 6671425699 is a prime.

It is a super-2 number, since 2×6671425715² = 89015842141526522450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667142567 + ... + 667142576.

It is an arithmetic number, because the mean of its divisors is an integer number (2001427716).

Almost surely, 2^6671425715 is an apocalyptic number.

6671425715 is a deficient number, since it is larger than the sum of its proper divisors (1334285149).

6671425715 is a wasteful number, since it uses less digits than its factorization.

6671425715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334285148.

The product of its digits is 352800, while the sum is 44.

The square root of 6671425715 is about 81678.7959938196. The cubic root of 6671425715 is about 1882.5197948333.

It can be divided in two parts, 66714 and 25715, that added together give a palindrome (92429).

The spelling of 6671425715 in words is "six billion, six hundred seventy-one million, four hundred twenty-five thousand, seven hundred fifteen".