20182301580697 has 2 divisors, whose sum is σ = 20182301580698. Its totient is φ = 20182301580696.

The previous prime is 20182301580641. The next prime is 20182301580703. The reversal of 20182301580697 is 79608510328102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20181334308496 + 967272201 = 4492364^2 + 31101^2 .

It is a cyclic number.

It is not a de Polignac number, because 20182301580697 - 2²⁷ = 20182167362969 is a prime.

It is not a weakly prime, because it can be changed into another prime (20182301580607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10091150790348 + 10091150790349.

It is an arithmetic number, because the mean of its divisors is an integer number (10091150790349).

Almost surely, 2^{20182301580697} is an apocalyptic number.

It is an amenable number.

20182301580697 is a deficient number, since it is larger than the sum of its proper divisors (1).

20182301580697 is an equidigital number, since it uses as much as digits as its factorization.

20182301580697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 20182301580697 in words is "twenty trillion, one hundred eighty-two billion, three hundred one million, five hundred eighty thousand, six hundred ninety-seven".