1969216704 has 336 divisors, whose sum is σ = 7256373600. Its totient is φ = 519063552.

The previous prime is 1969216703. The next prime is 1969216723. The reversal of 1969216704 is 4076129691.

It is a tau number, because it is divible by the number of its divisors (336).

It is a self number, because there is not a number n which added to its sum of digits gives 1969216704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1969216703) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1099842 + ... + 1101630.

It is an arithmetic number, because the mean of its divisors is an integer number (21596350).

Almost surely, 2^1969216704 is an apocalyptic number.

1969216704 is a gapful number since it is divisible by the number (14) 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 1969216704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3628186800).

1969216704 is an abundant number, since it is smaller than the sum of its proper divisors (5287156896).

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

1969216704 is a wasteful number, since it uses less digits than its factorization.

1969216704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837 (or 1814 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1969216704 is about 44375.8572198893. The cubic root of 1969216704 is about 1253.4235119461.

The spelling of 1969216704 in words is "one billion, nine hundred sixty-nine million, two hundred sixteen thousand, seven hundred four".