6670261427 has 4 divisors (see below), whose sum is σ = 6670555200. Its totient is φ = 6669967656.

The previous prime is 6670261399. The next prime is 6670261439. The reversal of 6670261427 is 7241620766.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7241620766 = 2 ⋅3620810383.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6670261427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6670261327) 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, 109688 + ... + 159285.

It is an arithmetic number, because the mean of its divisors is an integer number (1667638800).

Almost surely, 2^6670261427 is an apocalyptic number.

6670261427 is a deficient number, since it is larger than the sum of its proper divisors (293773).

6670261427 is a wasteful number, since it uses less digits than its factorization.

6670261427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293772.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 6670261427 is about 81671.6684475100. The cubic root of 6670261427 is about 1882.4102768774.

The spelling of 6670261427 in words is "six billion, six hundred seventy million, two hundred sixty-one thousand, four hundred twenty-seven".