19073851842 has 8 divisors (see below), whose sum is σ = 38147703696. Its totient is φ = 6357950612.

The previous prime is 19073851817. The next prime is 19073851843. The reversal of 19073851842 is 24815837091.

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

19073851842 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 19073851791 and 19073851800.

It is not an unprimeable number, because it can be changed into a prime (19073851843) 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, 1589487648 + ... + 1589487659.

It is an arithmetic number, because the mean of its divisors is an integer number (4768462962).

Almost surely, 2^19073851842 is an apocalyptic number.

19073851842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19073851842 is a wasteful number, since it uses less digits than its factorization.

19073851842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178975312.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 19073851842 in words is "nineteen billion, seventy-three million, eight hundred fifty-one thousand, eight hundred forty-two".