19349074760 has 64 divisors (see below), whose sum is σ = 45512496000. Its totient is φ = 7389398016.

The previous prime is 19349074751. The next prime is 19349074777. The reversal of 19349074760 is 6747094391.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19349074699 and 19349074708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 484016 + ... + 522464.

It is an arithmetic number, because the mean of its divisors is an integer number (711132750).

Almost surely, 2^19349074760 is an apocalyptic number.

19349074760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19349074760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22756248000).

19349074760 is an abundant number, since it is smaller than the sum of its proper divisors (26163421240).

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

19349074760 is a wasteful number, since it uses less digits than its factorization.

19349074760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39030 (or 39026 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 19349074760 in words is "nineteen billion, three hundred forty-nine million, seventy-four thousand, seven hundred sixty".