2686016289 has 16 divisors (see below), whose sum is σ = 3928526784. Its totient is φ = 1618891200.

The previous prime is 2686016287. The next prime is 2686016363. The reversal of 2686016289 is 9826106862.

It is a happy number.

It is not a de Polignac number, because 2686016289 - 2¹ = 2686016287 is a prime.

It is a super-3 number, since 3×2686016289³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2686016287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218874 + ... + 230819.

It is an arithmetic number, because the mean of its divisors is an integer number (245532924).

Almost surely, 2^2686016289 is an apocalyptic number.

It is an amenable number.

2686016289 is a deficient number, since it is larger than the sum of its proper divisors (1242510495).

2686016289 is a wasteful number, since it uses less digits than its factorization.

2686016289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449888.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 2686016289 is about 51826.7912280897. The cubic root of 2686016289 is about 1390.0685384488.

The spelling of 2686016289 in words is "two billion, six hundred eighty-six million, sixteen thousand, two hundred eighty-nine".