2689398148 has 24 divisors (see below), whose sum is σ = 4747982400. Its totient is φ = 1332870240.

The previous prime is 2689398109. The next prime is 2689398197. The reversal of 2689398148 is 8418939862.

It is a junction number, because it is equal to n+sod(n) for n = 2689398092 and 2689398101.

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 in 7 ways as a sum of consecutive naturals, for example, 295303 + ... + 304273.

It is an arithmetic number, because the mean of its divisors is an integer number (197832600).

Almost surely, 2^2689398148 is an apocalyptic number.

It is an amenable number.

2689398148 is a deficient number, since it is larger than the sum of its proper divisors (2058584252).

2689398148 is a wasteful number, since it uses less digits than its factorization.

2689398148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9627 (or 9625 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 58.

The square root of 2689398148 is about 51859.4075168624. The cubic root of 2689398148 is about 1390.6516875831.

The spelling of 2689398148 in words is "two billion, six hundred eighty-nine million, three hundred ninety-eight thousand, one hundred forty-eight".