19423099048 has 16 divisors (see below), whose sum is σ = 36420379380. Its totient is φ = 9710997888.

The previous prime is 19423099037. The next prime is 19423099057. The reversal of 19423099048 is 84099032491.

It can be written as a sum of positive squares in 2 ways, for example, as 13270579204 + 6152519844 = 115198^2 + 78438^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19423098992 and 19423099010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107140 + ... + 224332.

Almost surely, 2^19423099048 is an apocalyptic number.

It is an amenable number.

19423099048 is a deficient number, since it is larger than the sum of its proper divisors (16997280332).

19423099048 is a wasteful number, since it uses less digits than its factorization.

19423099048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137916 (or 137912 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 19423099048 in words is "nineteen billion, four hundred twenty-three million, ninety-nine thousand, forty-eight".