6670291679 has 2 divisors, whose sum is σ = 6670291680. Its totient is φ = 6670291678.

The previous prime is 6670291657. The next prime is 6670291687. The reversal of 6670291679 is 9761920766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6670291679 - 2⁸ = 6670291423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6670291679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6670201679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3335145839 + 3335145840.

It is an arithmetic number, because the mean of its divisors is an integer number (3335145840).

Almost surely, 2^6670291679 is an apocalyptic number.

6670291679 is a deficient number, since it is larger than the sum of its proper divisors (1).

6670291679 is an equidigital number, since it uses as much as digits as its factorization.

6670291679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 6670291679 is about 81671.8536522834. The cubic root of 6670291679 is about 1882.4131226724.

The spelling of 6670291679 in words is "six billion, six hundred seventy million, two hundred ninety-one thousand, six hundred seventy-nine".