1606002402779 has 2 divisors, whose sum is σ = 1606002402780. Its totient is φ = 1606002402778.

The previous prime is 1606002402757. The next prime is 1606002402791. The reversal of 1606002402779 is 9772042006061.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1606002402779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1606002402799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803001201389 + 803001201390.

It is an arithmetic number, because the mean of its divisors is an integer number (803001201390).

Almost surely, 2^{1606002402779} is an apocalyptic number.

1606002402779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606002402779 is an equidigital number, since it uses as much as digits as its factorization.

1606002402779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 1606002402779 in words is "one trillion, six hundred six billion, two million, four hundred two thousand, seven hundred seventy-nine".