2391333448768 has 28 divisors (see below), whose sum is σ = 5176693433232. Its totient is φ = 1086969749120.

The previous prime is 2391333448687. The next prime is 2391333448771. The reversal of 2391333448768 is 8678443331932.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1698389530 + ... + 1698390937.

Almost surely, 2^{2391333448768} is an apocalyptic number.

It is an amenable number.

2391333448768 is an abundant number, since it is smaller than the sum of its proper divisors (2785359984464).

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

2391333448768 is a wasteful number, since it uses less digits than its factorization.

2391333448768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396780490 (or 3396780480 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 61.

The spelling of 2391333448768 in words is "two trillion, three hundred ninety-one billion, three hundred thirty-three million, four hundred forty-eight thousand, seven hundred sixty-eight".