19148797824 has 288 divisors, whose sum is σ = 58565321640. Its totient is φ = 5539921920.

The previous prime is 19148797823. The next prime is 19148797831. The reversal of 19148797824 is 42879784191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19148797823) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18754434 + ... + 18755454.

Almost surely, 2^19148797824 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 19148797824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29282660820).

19148797824 is an abundant number, since it is smaller than the sum of its proper divisors (39416523816).

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

19148797824 is a wasteful number, since it uses less digits than its factorization.

19148797824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1056 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 60.

The spelling of 19148797824 in words is "nineteen billion, one hundred forty-eight million, seven hundred ninety-seven thousand, eight hundred twenty-four".