19321214234 has 16 divisors (see below), whose sum is σ = 33138748608. Its totient is φ = 8276353632.

The previous prime is 19321214219. The next prime is 19321214249. The reversal of 19321214234 is 43241212391.

It is an interprime number because it is at equal distance from previous prime (19321214219) and next prime (19321214249).

It is a super-3 number, since 3×19321214234³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 19321214234.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318332 + ... + 374135.

It is an arithmetic number, because the mean of its divisors is an integer number (2071171788).

Almost surely, 2^19321214234 is an apocalyptic number.

19321214234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19321214234 is a deficient number, since it is larger than the sum of its proper divisors (13817534374).

19321214234 is a wasteful number, since it uses less digits than its factorization.

19321214234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694469.

The product of its digits is 10368, while the sum is 32.

The spelling of 19321214234 in words is "nineteen billion, three hundred twenty-one million, two hundred fourteen thousand, two hundred thirty-four".