2659684254 has 16 divisors (see below), whose sum is σ = 5341628160. Its totient is φ = 882851480.

The previous prime is 2659684249. The next prime is 2659684267. The reversal of 2659684254 is 4524869562.

It is a junction number, because it is equal to n+sod(n) for n = 2659684197 and 2659684206.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 925932 + ... + 928799.

It is an arithmetic number, because the mean of its divisors is an integer number (333851760).

Almost surely, 2^2659684254 is an apocalyptic number.

2659684254 is an abundant number, since it is smaller than the sum of its proper divisors (2681943906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2659684254 is a wasteful number, since it uses less digits than its factorization.

2659684254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854975.

The product of its digits is 4147200, while the sum is 51.

The square root of 2659684254 is about 51572.1267158918. The cubic root of 2659684254 is about 1385.5111571446.

The spelling of 2659684254 in words is "two billion, six hundred fifty-nine million, six hundred eighty-four thousand, two hundred fifty-four".