2943864546448 has 80 divisors (see below), whose sum is σ = 6555746905344. Its totient is φ = 1254460746240.

The previous prime is 2943864546419. The next prime is 2943864546449. The reversal of 2943864546448 is 8446454683492.

It is not an unprimeable number, because it can be changed into a prime (2943864546449) 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, 163930686 + ... + 163948642.

Almost surely, 2^{2943864546448} is an apocalyptic number.

2943864546448 is a gapful number since it is divisible by the number (28) 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 2943864546448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3277873452672).

2943864546448 is an abundant number, since it is smaller than the sum of its proper divisors (3611882358896).

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

2943864546448 is a wasteful number, since it uses less digits than its factorization.

2943864546448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26240 (or 26234 counting only the distinct ones).

The product of its digits is 637009920, while the sum is 67.

The spelling of 2943864546448 in words is "two trillion, nine hundred forty-three billion, eight hundred sixty-four million, five hundred forty-six thousand, four hundred forty-eight".