2689346460 has 24 divisors (see below), whose sum is σ = 7530170256. Its totient is φ = 717159040.

The previous prime is 2689346447. The next prime is 2689346483. The reversal of 2689346460 is 646439862.

It is a congruent number.

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, 22411161 + ... + 22411280.

It is an arithmetic number, because the mean of its divisors is an integer number (313757094).

Almost surely, 2^2689346460 is an apocalyptic number.

2689346460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2689346460 is an abundant number, since it is smaller than the sum of its proper divisors (4840823796).

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

2689346460 is a wasteful number, since it uses less digits than its factorization.

2689346460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44822453 (or 44822451 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The square root of 2689346460 is about 51858.9091670853. The cubic root of 2689346460 is about 1390.6427784690.

The spelling of 2689346460 in words is "two billion, six hundred eighty-nine million, three hundred forty-six thousand, four hundred sixty".