19508230227 has 4 divisors (see below), whose sum is σ = 26010973640. Its totient is φ = 13005486816.

The previous prime is 19508230223. The next prime is 19508230307. The reversal of 19508230227 is 72203280591.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 19508230227 - 2² = 19508230223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19508230223) 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, 3251371702 + ... + 3251371707.

It is an arithmetic number, because the mean of its divisors is an integer number (6502743410).

Almost surely, 2^19508230227 is an apocalyptic number.

19508230227 is a deficient number, since it is larger than the sum of its proper divisors (6502743413).

19508230227 is an equidigital number, since it uses as much as digits as its factorization.

19508230227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6502743412.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 19508230227 in words is "nineteen billion, five hundred eight million, two hundred thirty thousand, two hundred twenty-seven".