2689923450 has 24 divisors (see below), whose sum is σ = 6671010528. Its totient is φ = 717312880.

The previous prime is 2689923427. The next prime is 2689923463. The reversal of 2689923450 is 543299862.

It is a happy number.

2689923450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2689923450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8966262 + ... + 8966561.

It is an arithmetic number, because the mean of its divisors is an integer number (277958772).

Almost surely, 2^2689923450 is an apocalyptic number.

2689923450 is an abundant number, since it is smaller than the sum of its proper divisors (3981087078).

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

2689923450 is a wasteful number, since it uses less digits than its factorization.

2689923450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17932838 (or 17932833 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 2689923450 is about 51864.4719437111. The cubic root of 2689923450 is about 1390.7422238934.

The spelling of 2689923450 in words is "two billion, six hundred eighty-nine million, nine hundred twenty-three thousand, four hundred fifty".