1599662979679 has 2 divisors, whose sum is σ = 1599662979680. Its totient is φ = 1599662979678.

The previous prime is 1599662979667. The next prime is 1599662979697. The reversal of 1599662979679 is 9769792669951.

Together with next prime (1599662979697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1599662979679 - 2⁵ = 1599662979647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1599662979596 and 1599662979605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1599662979379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 799831489839 + 799831489840.

It is an arithmetic number, because the mean of its divisors is an integer number (799831489840).

Almost surely, 2^{1599662979679} is an apocalyptic number.

1599662979679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1599662979679 is an equidigital number, since it uses as much as digits as its factorization.

1599662979679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6249746160, while the sum is 85.

The spelling of 1599662979679 in words is "one trillion, five hundred ninety-nine billion, six hundred sixty-two million, nine hundred seventy-nine thousand, six hundred seventy-nine".