19479357348 has 48 divisors (see below), whose sum is σ = 49618759680. Its totient is φ = 5898676000.

The previous prime is 19479357323. The next prime is 19479357353. The reversal of 19479357348 is 84375397491.

It is a junction number, because it is equal to n+sod(n) for n = 19479357291 and 19479357300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138673 + ... + 241223.

It is an arithmetic number, because the mean of its divisors is an integer number (1033724160).

Almost surely, 2^19479357348 is an apocalyptic number.

It is an amenable number.

19479357348 is an abundant number, since it is smaller than the sum of its proper divisors (30139402332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19479357348 is a wasteful number, since it uses less digits than its factorization.

19479357348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104008 (or 104006 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 60.

The spelling of 19479357348 in words is "nineteen billion, four hundred seventy-nine million, three hundred fifty-seven thousand, three hundred forty-eight".