1963854545472 has 224 divisors, whose sum is σ = 6134157302400. Its totient is φ = 616108566528.

The previous prime is 1963854545423. The next prime is 1963854545531. The reversal of 1963854545472 is 2745454583691.

It is a happy number.

1963854545472 is a `hidden beast` number, since 1 + 9 + 6 + 3 + 8 + 545 + 45 + 47 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8374003 + ... + 8605325.

Almost surely, 2^{1963854545472} is an apocalyptic number.

1963854545472 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 1963854545472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3067078651200).

1963854545472 is an abundant number, since it is smaller than the sum of its proper divisors (4170302756928).

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

1963854545472 is an equidigital number, since it uses as much as digits as its factorization.

1963854545472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231395 (or 231345 counting only the distinct ones).

The product of its digits is 145152000, while the sum is 63.

The spelling of 1963854545472 in words is "one trillion, nine hundred sixty-three billion, eight hundred fifty-four million, five hundred forty-five thousand, four hundred seventy-two".