19273914042 has 16 divisors (see below), whose sum is σ = 38564046432. Its totient is φ = 6421934960.

The previous prime is 19273914007. The next prime is 19273914047. The reversal of 19273914042 is 24041937291.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19273913985 and 19273914003.

It is not an unprimeable number, because it can be changed into a prime (19273914047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660288 + ... + 688859.

It is an arithmetic number, because the mean of its divisors is an integer number (2410252902).

Almost surely, 2^19273914042 is an apocalyptic number.

19273914042 is an abundant number, since it is smaller than the sum of its proper divisors (19290132390).

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

19273914042 is a wasteful number, since it uses less digits than its factorization.

19273914042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351533.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 19273914042 in words is "nineteen billion, two hundred seventy-three million, nine hundred fourteen thousand, forty-two".