6426126671 has 4 divisors (see below), whose sum is σ = 6462027000. Its totient is φ = 6390226344.

The previous prime is 6426126647. The next prime is 6426126703. The reversal of 6426126671 is 1766216246.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1766216246 = 2 ⋅883108123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6426126671 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 (6426126631) 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, 17949896 + ... + 17950253.

It is an arithmetic number, because the mean of its divisors is an integer number (1615506750).

Almost surely, 2^6426126671 is an apocalyptic number.

6426126671 is a deficient number, since it is larger than the sum of its proper divisors (35900329).

6426126671 is a wasteful number, since it uses less digits than its factorization.

6426126671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35900328.

The product of its digits is 145152, while the sum is 41.

The square root of 6426126671 is about 80163.1253819361. The cubic root of 6426126671 is about 1859.1585463357.

The spelling of 6426126671 in words is "six billion, four hundred twenty-six million, one hundred twenty-six thousand, six hundred seventy-one".