2689181430 has 32 divisors (see below), whose sum is σ = 6950500704. Its totient is φ = 661952256.

The previous prime is 2689181419. The next prime is 2689181449. The reversal of 2689181430 is 341819862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3447279 + ... + 3448058.

It is an arithmetic number, because the mean of its divisors is an integer number (217203147).

Almost surely, 2^2689181430 is an apocalyptic number.

2689181430 is an abundant number, since it is smaller than the sum of its proper divisors (4261319274).

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

2689181430 is a wasteful number, since it uses less digits than its factorization.

2689181430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6895360.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 2689181430 is about 51857.3179985236. The cubic root of 2689181430 is about 1390.6143325900.

The spelling of 2689181430 in words is "two billion, six hundred eighty-nine million, one hundred eighty-one thousand, four hundred thirty".