2391311987296 has 24 divisors (see below), whose sum is σ = 4707945255384. Its totient is φ = 1195643351040.

The previous prime is 2391311987257. The next prime is 2391311987303. The reversal of 2391311987296 is 6927891131932.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3174816 + ... + 3855136.

It is an arithmetic number, because the mean of its divisors is an integer number (196164385641).

Almost surely, 2^{2391311987296} is an apocalyptic number.

It is an amenable number.

2391311987296 is a deficient number, since it is larger than the sum of its proper divisors (2316633268088).

2391311987296 is a wasteful number, since it uses less digits than its factorization.

2391311987296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790174 (or 790166 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 61.

The spelling of 2391311987296 in words is "two trillion, three hundred ninety-one billion, three hundred eleven million, nine hundred eighty-seven thousand, two hundred ninety-six".