19148325347 has 4 divisors (see below), whose sum is σ = 19363475160. Its totient is φ = 18933175536.

The previous prime is 19148325331. The next prime is 19148325373. The reversal of 19148325347 is 74352384191.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74352384191 = 7789 ⋅9545819.

It is a cyclic number.

It is not a de Polignac number, because 19148325347 - 2⁴ = 19148325331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19148325947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107574773 + ... + 107574950.

It is an arithmetic number, because the mean of its divisors is an integer number (4840868790).

Almost surely, 2^19148325347 is an apocalyptic number.

19148325347 is a deficient number, since it is larger than the sum of its proper divisors (215149813).

19148325347 is an equidigital number, since it uses as much as digits as its factorization.

19148325347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215149812.

The product of its digits is 725760, while the sum is 47.

The spelling of 19148325347 in words is "nineteen billion, one hundred forty-eight million, three hundred twenty-five thousand, three hundred forty-seven".