1630020043079 has 2 divisors, whose sum is σ = 1630020043080. Its totient is φ = 1630020043078.

The previous prime is 1630020043049. The next prime is 1630020043081. The reversal of 1630020043079 is 9703400200361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1630020043079 - 2³² = 1625725075783 is a prime.

Together with 1630020043081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1630020043049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815010021539 + 815010021540.

It is an arithmetic number, because the mean of its divisors is an integer number (815010021540).

Almost surely, 2^{1630020043079} is an apocalyptic number.

1630020043079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630020043079 is an equidigital number, since it uses as much as digits as its factorization.

1630020043079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 1630020043079 in words is "one trillion, six hundred thirty billion, twenty million, forty-three thousand, seventy-nine".