19382649312 has 192 divisors, whose sum is σ = 57343942656. Its totient is φ = 5691617280.

The previous prime is 19382649269. The next prime is 19382649323. The reversal of 19382649312 is 21394628391.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2820793 + ... + 2827655.

It is an arithmetic number, because the mean of its divisors is an integer number (298666368).

Almost surely, 2^19382649312 is an apocalyptic number.

19382649312 is a gapful number since it is divisible by the number (12) 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 19382649312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28671971328).

19382649312 is an abundant number, since it is smaller than the sum of its proper divisors (37961293344).

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

19382649312 is a wasteful number, since it uses less digits than its factorization.

19382649312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6993 (or 6985 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The spelling of 19382649312 in words is "nineteen billion, three hundred eighty-two million, six hundred forty-nine thousand, three hundred twelve".