1280873954392 has 16 divisors (see below), whose sum is σ = 2408894375400. Its totient is φ = 638502120960.

The previous prime is 1280873954389. The next prime is 1280873954411. The reversal of 1280873954392 is 2934593780821.

It is a self number, because there is not a number n which added to its sum of digits gives 1280873954392.

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, 241854217 + ... + 241859512.

Almost surely, 2^{1280873954392} is an apocalyptic number.

It is an amenable number.

1280873954392 is a deficient number, since it is larger than the sum of its proper divisors (1128020421008).

1280873954392 is a wasteful number, since it uses less digits than its factorization.

1280873954392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483714066 (or 483714062 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 1280873954392 in words is "one trillion, two hundred eighty billion, eight hundred seventy-three million, nine hundred fifty-four thousand, three hundred ninety-two".