1543995804468 has 48 divisors (see below), whose sum is σ = 3880253410880. Its totient is φ = 475018193664.

The previous prime is 1543995804467. The next prime is 1543995804493. The reversal of 1543995804468 is 8644085993451.

It is a junction number, because it is equal to n+sod(n) for n = 1543995804399 and 1543995804408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1543995804467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705171 + ... + 1893477.

Almost surely, 2^{1543995804468} is an apocalyptic number.

It is an amenable number.

1543995804468 is an abundant number, since it is smaller than the sum of its proper divisors (2336257606412).

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

1543995804468 is a wasteful number, since it uses less digits than its factorization.

1543995804468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196656 (or 1196654 counting only the distinct ones).

The product of its (nonzero) digits is 149299200, while the sum is 66.

The spelling of 1543995804468 in words is "one trillion, five hundred forty-three billion, nine hundred ninety-five million, eight hundred four thousand, four hundred sixty-eight".