19267930042 has 16 divisors (see below), whose sum is σ = 29686781952. Its totient is φ = 9372402000.

The previous prime is 19267930037. The next prime is 19267930043. The reversal of 19267930042 is 24003976291.

It is a super-2 number, since 2×19267930042² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19267930043) 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, 965667 + ... + 985417.

It is an arithmetic number, because the mean of its divisors is an integer number (1855423872).

Almost surely, 2^19267930042 is an apocalyptic number.

19267930042 is a deficient number, since it is larger than the sum of its proper divisors (10418851910).

19267930042 is a wasteful number, since it uses less digits than its factorization.

19267930042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32973.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 19267930042 in words is "nineteen billion, two hundred sixty-seven million, nine hundred thirty thousand, forty-two".