19293100042 has 8 divisors (see below), whose sum is σ = 30462789600. Its totient is φ = 9138836844.

The previous prime is 19293100031. The next prime is 19293100049. The reversal of 19293100042 is 24000139291.

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 = 19293099977 and 19293100013.

It is not an unprimeable number, because it can be changed into a prime (19293100049) 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, 253856542 + ... + 253856617.

It is an arithmetic number, because the mean of its divisors is an integer number (3807848700).

Almost surely, 2^19293100042 is an apocalyptic number.

19293100042 is a deficient number, since it is larger than the sum of its proper divisors (11169689558).

19293100042 is a wasteful number, since it uses less digits than its factorization.

19293100042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507713180.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 19293100042 in words is "nineteen billion, two hundred ninety-three million, one hundred thousand, forty-two".