1491352543296 has 336 divisors, whose sum is σ = 5430052038528. Its totient is φ = 380054937600.

The previous prime is 1491352543283. The next prime is 1491352543361. The reversal of 1491352543296 is 6923452531941.

1491352543296 is a `hidden beast` number, since 1 + 4 + 9 + 1 + 3 + 5 + 2 + 543 + 2 + 96 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2033436 + ... + 2667876.

Almost surely, 2^{1491352543296} is an apocalyptic number.

1491352543296 is a gapful number since it is divisible by the number (16) 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 1491352543296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2715026019264).

1491352543296 is an abundant number, since it is smaller than the sum of its proper divisors (3938699495232).

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

1491352543296 is a wasteful number, since it uses less digits than its factorization.

1491352543296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634530 (or 634517 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 54.

The spelling of 1491352543296 in words is "one trillion, four hundred ninety-one billion, three hundred fifty-two million, five hundred forty-three thousand, two hundred ninety-six".