19468062784 has 63 divisors (see below), whose sum is σ = 39237066687. Its totient is φ = 9583899264.

The previous prime is 19468062781. The next prime is 19468062827. The reversal of 19468062784 is 48726086491.

It is a happy number.

The square root of 19468062784 is 139528.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19468062781) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 119435887 + ... + 119436049.

Almost surely, 2^19468062784 is an apocalyptic number.

19468062784 is the 139528-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19468062784

19468062784 is an abundant number, since it is smaller than the sum of its proper divisors (19769003903).

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

19468062784 is an frugal number, since it uses more digits than its factorization.

19468062784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 19468062784 in words is "nineteen billion, four hundred sixty-eight million, sixty-two thousand, seven hundred eighty-four".