2643698371312 has 20 divisors (see below), whose sum is σ = 5122197430456. Its totient is φ = 1321840969920.

The previous prime is 2643698371291. The next prime is 2643698371357. The reversal of 2643698371312 is 2131738963462.

It is a happy number.

2643698371312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 2782243 + ... + 3609469.

Almost surely, 2^{2643698371312} is an apocalyptic number.

It is an amenable number.

2643698371312 is a deficient number, since it is larger than the sum of its proper divisors (2478499059144).

2643698371312 is a wasteful number, since it uses less digits than its factorization.

2643698371312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026976 (or 1026970 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 55.

The spelling of 2643698371312 in words is "two trillion, six hundred forty-three billion, six hundred ninety-eight million, three hundred seventy-one thousand, three hundred twelve".