193153523755427 has 2 divisors, whose sum is σ = 193153523755428. Its totient is φ = 193153523755426.

The previous prime is 193153523755321. The next prime is 193153523755433. The reversal of 193153523755427 is 724557325351391.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-193153523755427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 193153523755427.

It is not a weakly prime, because it can be changed into another prime (193153523755447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96576761877713 + 96576761877714.

It is an arithmetic number, because the mean of its divisors is an integer number (96576761877714).

Almost surely, 2^{193153523755427} is an apocalyptic number.

193153523755427 is a deficient number, since it is larger than the sum of its proper divisors (1).

193153523755427 is an equidigital number, since it uses as much as digits as its factorization.

193153523755427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119070000, while the sum is 62.

The spelling of 193153523755427 in words is "one hundred ninety-three trillion, one hundred fifty-three billion, five hundred twenty-three million, seven hundred fifty-five thousand, four hundred twenty-seven".