19470354197219 has 2 divisors, whose sum is σ = 19470354197220. Its totient is φ = 19470354197218.

The previous prime is 19470354197183. The next prime is 19470354197269. The reversal of 19470354197219 is 91279145307491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19470354197219 - 2⁸ = 19470354196963 is a prime.

It is a super-2 number, since 2×19470354197219² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19470354197269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9735177098609 + 9735177098610.

It is an arithmetic number, because the mean of its divisors is an integer number (9735177098610).

Almost surely, 2^{19470354197219} is an apocalyptic number.

19470354197219 is a deficient number, since it is larger than the sum of its proper divisors (1).

19470354197219 is an equidigital number, since it uses as much as digits as its factorization.

19470354197219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17146080, while the sum is 62.

The spelling of 19470354197219 in words is "nineteen trillion, four hundred seventy billion, three hundred fifty-four million, one hundred ninety-seven thousand, two hundred nineteen".