2689309086 has 64 divisors (see below), whose sum is σ = 5821562880. Its totient is φ = 825786720.

The previous prime is 2689309061. The next prime is 2689309111. The reversal of 2689309086 is 6809039862.

It is an interprime number because it is at equal distance from previous prime (2689309061) and next prime (2689309111).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 952585 + ... + 955403.

It is an arithmetic number, because the mean of its divisors is an integer number (90961920).

Almost surely, 2^2689309086 is an apocalyptic number.

2689309086 is an abundant number, since it is smaller than the sum of its proper divisors (3132253794).

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

2689309086 is a wasteful number, since it uses less digits than its factorization.

2689309086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 2689309086 is about 51858.5488227351. The cubic root of 2689309086 is about 1390.6363364920.

The spelling of 2689309086 in words is "two billion, six hundred eighty-nine million, three hundred nine thousand, eighty-six".