2689558052 has 6 divisors (see below), whose sum is σ = 4706726598. Its totient is φ = 1344779024.

The previous prime is 2689558037. The next prime is 2689558073. The reversal of 2689558052 is 2508559862.

It can be written as a sum of positive squares in only one way, i.e., 1715119396 + 974438656 = 41414^2 + 31216^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336194753 + ... + 336194760.

It is an arithmetic number, because the mean of its divisors is an integer number (784454433).

Almost surely, 2^2689558052 is an apocalyptic number.

It is an amenable number.

2689558052 is a deficient number, since it is larger than the sum of its proper divisors (2017168546).

2689558052 is a wasteful number, since it uses less digits than its factorization.

2689558052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672389517 (or 672389515 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 50.

The square root of 2689558052 is about 51860.9492007233. The cubic root of 2689558052 is about 1390.6792484410.

The spelling of 2689558052 in words is "two billion, six hundred eighty-nine million, five hundred fifty-eight thousand, fifty-two".