193504169413 has 2 divisors, whose sum is σ = 193504169414. Its totient is φ = 193504169412.

The previous prime is 193504169393. The next prime is 193504169447. The reversal of 193504169413 is 314961405391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192741194529 + 762974884 = 439023^2 + 27622^2 .

It is an emirp because it is prime and its reverse (314961405391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 193504169413 - 2⁹ = 193504168901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193504169513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96752084706 + 96752084707.

It is an arithmetic number, because the mean of its divisors is an integer number (96752084707).

Almost surely, 2^193504169413 is an apocalyptic number.

It is an amenable number.

193504169413 is a deficient number, since it is larger than the sum of its proper divisors (1).

193504169413 is an equidigital number, since it uses as much as digits as its factorization.

193504169413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 193504169413 in words is "one hundred ninety-three billion, five hundred four million, one hundred sixty-nine thousand, four hundred thirteen".