79589850413 has 2 divisors, whose sum is σ = 79589850414. Its totient is φ = 79589850412.

The previous prime is 79589850409. The next prime is 79589850493. The reversal of 79589850413 is 31405898597.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69356909449 + 10232940964 = 263357^2 + 101158^2 .

It is a cyclic number.

It is not a de Polignac number, because 79589850413 - 2² = 79589850409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79589850493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39794925206 + 39794925207.

It is an arithmetic number, because the mean of its divisors is an integer number (39794925207).

Almost surely, 2^79589850413 is an apocalyptic number.

It is an amenable number.

79589850413 is a deficient number, since it is larger than the sum of its proper divisors (1).

79589850413 is an equidigital number, since it uses as much as digits as its factorization.

79589850413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10886400, while the sum is 59.

The spelling of 79589850413 in words is "seventy-nine billion, five hundred eighty-nine million, eight hundred fifty thousand, four hundred thirteen".