19470145142988 has 72 divisors (see below), whose sum is σ = 49772389277520. Its totient is φ = 6416836116480.

The previous prime is 19470145142977. The next prime is 19470145143011. The reversal of 19470145142988 is 88924154107491.

19470145142988 is a `hidden beast` number, since 1 + 9 + 4 + 7 + 0 + 14 + 514 + 29 + 88 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 822508 + ... + 6294188.

It is an arithmetic number, because the mean of its divisors is an integer number (691283184410).

Almost surely, 2^{19470145142988} is an apocalyptic number.

19470145142988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19470145142988 is an abundant number, since it is smaller than the sum of its proper divisors (30302244134532).

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

19470145142988 is a wasteful number, since it uses less digits than its factorization.

19470145142988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5472807 (or 5472802 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 63.

The spelling of 19470145142988 in words is "nineteen trillion, four hundred seventy billion, one hundred forty-five million, one hundred forty-two thousand, nine hundred eighty-eight".