2811378933459 has 12 divisors (see below), whose sum is σ = 4091879772552. Its totient is φ = 1859945349600.

The previous prime is 2811378933413. The next prime is 2811378933463. The reversal of 2811378933459 is 9543398731182.

2811378933459 is a `hidden beast` number, since 2 + 81 + 1 + 3 + 78 + 9 + 33 + 459 = 666.

It is not a de Polignac number, because 2811378933459 - 2²⁹ = 2810842062547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2811378933396 and 2811378933405.

It is not an unprimeable number, because it can be changed into a prime (2811378943459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1192271482 + ... + 1192273839.

It is an arithmetic number, because the mean of its divisors is an integer number (340989981046).

Almost surely, 2^{2811378933459} is an apocalyptic number.

2811378933459 is a deficient number, since it is larger than the sum of its proper divisors (1280500839093).

2811378933459 is a wasteful number, since it uses less digits than its factorization.

2811378933459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384545458 (or 2384545455 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 2811378933459 in words is "two trillion, eight hundred eleven billion, three hundred seventy-eight million, nine hundred thirty-three thousand, four hundred fifty-nine".