2006731679 has 2 divisors, whose sum is σ = 2006731680. Its totient is φ = 2006731678.

The previous prime is 2006731651. The next prime is 2006731703. The reversal of 2006731679 is 9761376002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2006731679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2006731609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003365839 + 1003365840.

It is an arithmetic number, because the mean of its divisors is an integer number (1003365840).

Almost surely, 2^2006731679 is an apocalyptic number.

2006731679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006731679 is an equidigital number, since it uses as much as digits as its factorization.

2006731679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 2006731679 is about 44796.5587852460. The cubic root of 2006731679 is about 1261.3330309228. Note that the first 3 decimals are identical.

The spelling of 2006731679 in words is "two billion, six million, seven hundred thirty-one thousand, six hundred seventy-nine".