19893014316 has 144 divisors (see below), whose sum is σ = 60469248000. Its totient is φ = 5638774176.

The previous prime is 19893014299. The next prime is 19893014333. The reversal of 19893014316 is 61341039891.

It is an interprime number because it is at equal distance from previous prime (19893014299) and next prime (19893014333).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 657285 + ... + 686883.

Almost surely, 2^19893014316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19893014316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30234624000).

19893014316 is an abundant number, since it is smaller than the sum of its proper divisors (40576233684).

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

19893014316 is a wasteful number, since it uses less digits than its factorization.

19893014316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29753 (or 29738 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 19893014316 in words is "nineteen billion, eight hundred ninety-three million, fourteen thousand, three hundred sixteen".