19135370496 has 216 divisors, whose sum is σ = 57432164832. Its totient is φ = 5609164800.

The previous prime is 19135370489. The next prime is 19135370509. The reversal of 19135370496 is 69407353191.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8117350 + ... + 8119706.

It is an arithmetic number, because the mean of its divisors is an integer number (265889652).

Almost surely, 2^19135370496 is an apocalyptic number.

19135370496 is a gapful number since it is divisible by the number (16) 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 19135370496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28716082416).

19135370496 is an abundant number, since it is smaller than the sum of its proper divisors (38296794336).

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

19135370496 is a wasteful number, since it uses less digits than its factorization.

19135370496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449 (or 2404 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 48.

The spelling of 19135370496 in words is "nineteen billion, one hundred thirty-five million, three hundred seventy thousand, four hundred ninety-six".