19628144712 has 324 divisors, whose sum is σ = 62459286435. Its totient is φ = 5563546560.

The previous prime is 19628144687. The next prime is 19628144713. The reversal of 19628144712 is 21744182691.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

19628144712 is a `hidden beast` number, since 1 + 9 + 628 + 1 + 4 + 4 + 7 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9814072356 + 9814072356 = 99066^2 + 99066^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=99066.

It is not an unprimeable number, because it can be changed into a prime (19628144713) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 248457489 + ... + 248457567.

Almost surely, 2^19628144712 is an apocalyptic number.

19628144712 is a gapful number since it is divisible by the number (12) 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 19628144712

19628144712 is an abundant number, since it is smaller than the sum of its proper divisors (42831141723).

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

19628144712 is a wasteful number, since it uses less digits than its factorization.

19628144712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 114 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The spelling of 19628144712 in words is "nineteen billion, six hundred twenty-eight million, one hundred forty-four thousand, seven hundred twelve".