2678492999 has 12 divisors (see below), whose sum is σ = 3314721456. Its totient is φ = 2119246272.

The previous prime is 2678492989. The next prime is 2678493001. The reversal of 2678492999 is 9992948762.

It is not a de Polignac number, because 2678492999 - 2¹⁶ = 2678427463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678492939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1130894 + ... + 1133259.

It is an arithmetic number, because the mean of its divisors is an integer number (276226788).

Almost surely, 2^2678492999 is an apocalyptic number.

2678492999 is a deficient number, since it is larger than the sum of its proper divisors (636228457).

2678492999 is a wasteful number, since it uses less digits than its factorization.

2678492999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264186 (or 2264173 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 65.

The square root of 2678492999 is about 51754.1592434850. The cubic root of 2678492999 is about 1388.7695058918.

The spelling of 2678492999 in words is "two billion, six hundred seventy-eight million, four hundred ninety-two thousand, nine hundred ninety-nine".