19301267042 has 8 divisors (see below), whose sum is σ = 29734384476. Its totient is φ = 9389805552.

The previous prime is 19301267039. The next prime is 19301267077. The reversal of 19301267042 is 24076210391.

It is a Cunningham number, because it is equal to 138929²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 19301267041 + 1 = 138929^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 19301266993 and 19301267011.

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, 130413893 + ... + 130414040.

Almost surely, 2^19301267042 is an apocalyptic number.

19301267042 is a deficient number, since it is larger than the sum of its proper divisors (10433117434).

19301267042 is a wasteful number, since it uses less digits than its factorization.

19301267042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260827972.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 19301267042 in words is "nineteen billion, three hundred one million, two hundred sixty-seven thousand, forty-two".