1943804307648 has 112 divisors (see below), whose sum is σ = 5878008405504. Its totient is φ = 555342950400.

The previous prime is 1943804307629. The next prime is 1943804307673. The reversal of 1943804307648 is 8467034083491.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42448861 + ... + 42494627.

Almost surely, 2^{1943804307648} is an apocalyptic number.

It is an amenable number.

1943804307648 is an abundant number, since it is smaller than the sum of its proper divisors (3934204097856).

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

1943804307648 is a wasteful number, since it uses less digits than its factorization.

1943804307648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77390 (or 77380 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 1943804307648 in words is "one trillion, nine hundred forty-three billion, eight hundred four million, three hundred seven thousand, six hundred forty-eight".