183563954797 has 2 divisors, whose sum is σ = 183563954798. Its totient is φ = 183563954796.

The previous prime is 183563954771. The next prime is 183563954803. The reversal of 183563954797 is 797459365381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181651554436 + 1912400361 = 426206^2 + 43731^2 .

It is a cyclic number.

It is not a de Polignac number, because 183563954797 - 2⁷ = 183563954669 is a prime.

It is a super-2 number, since 2×183563954797² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (183563954737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91781977398 + 91781977399.

It is an arithmetic number, because the mean of its divisors is an integer number (91781977399).

Almost surely, 2^183563954797 is an apocalyptic number.

It is an amenable number.

183563954797 is a deficient number, since it is larger than the sum of its proper divisors (1).

183563954797 is an equidigital number, since it uses as much as digits as its factorization.

183563954797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 171460800, while the sum is 67.

The spelling of 183563954797 in words is "one hundred eighty-three billion, five hundred sixty-three million, nine hundred fifty-four thousand, seven hundred ninety-seven".