80609618213 has 2 divisors, whose sum is σ = 80609618214. Its totient is φ = 80609618212.

The previous prime is 80609618093. The next prime is 80609618237. The reversal of 80609618213 is 31281690608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80609430724 + 187489 = 283918^2 + 433^2 .

It is a cyclic number.

It is not a de Polignac number, because 80609618213 - 2¹⁶ = 80609552677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80609618273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40304809106 + 40304809107.

It is an arithmetic number, because the mean of its divisors is an integer number (40304809107).

Almost surely, 2^80609618213 is an apocalyptic number.

It is an amenable number.

80609618213 is a deficient number, since it is larger than the sum of its proper divisors (1).

80609618213 is an equidigital number, since it uses as much as digits as its factorization.

80609618213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 80609618213 in words is "eighty billion, six hundred nine million, six hundred eighteen thousand, two hundred thirteen".