2671679993 has 2 divisors, whose sum is σ = 2671679994. Its totient is φ = 2671679992.

The previous prime is 2671679981. The next prime is 2671680019. The reversal of 2671679993 is 3999761762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2052814864 + 618865129 = 45308^2 + 24877^2 .

It is a cyclic number.

It is not a de Polignac number, because 2671679993 - 2²⁸ = 2403244537 is a prime.

It is not a weakly prime, because it can be changed into another prime (2671679953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335839996 + 1335839997.

It is an arithmetic number, because the mean of its divisors is an integer number (1335839997).

Almost surely, 2^2671679993 is an apocalyptic number.

It is an amenable number.

2671679993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2671679993 is an equidigital number, since it uses as much as digits as its factorization.

2671679993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7715736, while the sum is 59.

The square root of 2671679993 is about 51688.2964799576. The cubic root of 2671679993 is about 1387.5910162733.

The spelling of 2671679993 in words is "two billion, six hundred seventy-one million, six hundred seventy-nine thousand, nine hundred ninety-three".