193426676369 has 2 divisors, whose sum is σ = 193426676370. Its totient is φ = 193426676368.

The previous prime is 193426676347. The next prime is 193426676371. The reversal of 193426676369 is 963676624391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104212752400 + 89213923969 = 322820^2 + 298687^2 .

It is a cyclic number.

It is not a de Polignac number, because 193426676369 - 2²⁰ = 193425627793 is a prime.

It is a super-2 number, since 2×193426676369² (a number of 23 digits) contains 22 as substring.

Together with 193426676371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (193426673369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96713338184 + 96713338185.

It is an arithmetic number, because the mean of its divisors is an integer number (96713338185).

Almost surely, 2^193426676369 is an apocalyptic number.

It is an amenable number.

193426676369 is a deficient number, since it is larger than the sum of its proper divisors (1).

193426676369 is an equidigital number, since it uses as much as digits as its factorization.

193426676369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52907904, while the sum is 62.

The spelling of 193426676369 in words is "one hundred ninety-three billion, four hundred twenty-six million, six hundred seventy-six thousand, three hundred sixty-nine".