2658609412 has 12 divisors (see below), whose sum is σ = 4766043996. Its totient is φ = 1296882560.

The previous prime is 2658609407. The next prime is 2658609427. The reversal of 2658609412 is 2149068562.

It can be written as a sum of positive squares in 2 ways, for example, as 474542656 + 2184066756 = 21784^2 + 46734^2 .

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, 8105353 + ... + 8105680.

It is an arithmetic number, because the mean of its divisors is an integer number (397170333).

Almost surely, 2^2658609412 is an apocalyptic number.

It is an amenable number.

2658609412 is a deficient number, since it is larger than the sum of its proper divisors (2107434584).

2658609412 is a wasteful number, since it uses less digits than its factorization.

2658609412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16211078 (or 16211076 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 2658609412 is about 51561.7048981121. The cubic root of 2658609412 is about 1385.3244926018.

The spelling of 2658609412 in words is "two billion, six hundred fifty-eight million, six hundred nine thousand, four hundred twelve".