19421381014 has 32 divisors (see below), whose sum is σ = 33910456320. Its totient is φ = 8170504992.

The previous prime is 19421380973. The next prime is 19421381017. The reversal of 19421381014 is 41018312491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19421381017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140587 + ... + 242089.

It is an arithmetic number, because the mean of its divisors is an integer number (1059701760).

Almost surely, 2^19421381014 is an apocalyptic number.

19421381014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19421381014 is a deficient number, since it is larger than the sum of its proper divisors (14489075306).

19421381014 is a wasteful number, since it uses less digits than its factorization.

19421381014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101764.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 19421381014 in words is "nineteen billion, four hundred twenty-one million, three hundred eighty-one thousand, fourteen".