19497366000 has 480 divisors, whose sum is σ = 78250039296. Its totient is φ = 4432320000.

The previous prime is 19497365971. The next prime is 19497366013. The reversal of 19497366000 is 66379491.

19497366000 is a `hidden beast` number, since 1 + 9 + 4 + 9 + 7 + 36 + 600 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 95 ways as a sum of consecutive naturals, for example, 34145715 + ... + 34146285.

Almost surely, 2^19497366000 is an apocalyptic number.

19497366000 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 19497366000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39125019648).

19497366000 is an abundant number, since it is smaller than the sum of its proper divisors (58752673296).

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

19497366000 is a wasteful number, since it uses less digits than its factorization.

19497366000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 19497366000 in words is "nineteen billion, four hundred ninety-seven million, three hundred sixty-six thousand".