19193608426101 has 4 divisors (see below), whose sum is σ = 25591477901472. Its totient is φ = 12795738950732.

The previous prime is 19193608426087. The next prime is 19193608426129. The reversal of 19193608426101 is 10162480639191.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19193608426101 - 2³⁴ = 19176428556917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19193608426171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3198934737681 + ... + 3198934737686.

It is an arithmetic number, because the mean of its divisors is an integer number (6397869475368).

Almost surely, 2^{19193608426101} is an apocalyptic number.

It is an amenable number.

19193608426101 is a deficient number, since it is larger than the sum of its proper divisors (6397869475371).

19193608426101 is an equidigital number, since it uses as much as digits as its factorization.

19193608426101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6397869475370.

The product of its (nonzero) digits is 559872, while the sum is 51.

The spelling of 19193608426101 in words is "nineteen trillion, one hundred ninety-three billion, six hundred eight million, four hundred twenty-six thousand, one hundred one".