79230230003921 has 2 divisors, whose sum is σ = 79230230003922. Its totient is φ = 79230230003920.

The previous prime is 79230230003893. The next prime is 79230230003959. The reversal of 79230230003921 is 12930003203297.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74761339703296 + 4468890300625 = 8646464^2 + 2113975^2 .

It is an emirp because it is prime and its reverse (12930003203297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79230230003921 - 2³⁴ = 79213050134737 is a prime.

It is not a weakly prime, because it can be changed into another prime (79230230003971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39615115001960 + 39615115001961.

It is an arithmetic number, because the mean of its divisors is an integer number (39615115001961).

Almost surely, 2^{79230230003921} is an apocalyptic number.

It is an amenable number.

79230230003921 is a deficient number, since it is larger than the sum of its proper divisors (1).

79230230003921 is an equidigital number, since it uses as much as digits as its factorization.

79230230003921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 41.

The spelling of 79230230003921 in words is "seventy-nine trillion, two hundred thirty billion, two hundred thirty million, three thousand, nine hundred twenty-one".