2686016290 has 8 divisors (see below), whose sum is σ = 4834829340. Its totient is φ = 1074406512.

The previous prime is 2686016287. The next prime is 2686016363. The reversal of 2686016290 is 926106862.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2164761729 + 521254561 = 46527^2 + 22831^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134300805 + ... + 134300824.

Almost surely, 2^2686016290 is an apocalyptic number.

2686016290 is a deficient number, since it is larger than the sum of its proper divisors (2148813050).

2686016290 is a wasteful number, since it uses less digits than its factorization.

2686016290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268601636.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 2686016290 is about 51826.7912377373. The cubic root of 2686016290 is about 1390.0685386213.

The spelling of 2686016290 in words is "two billion, six hundred eighty-six million, sixteen thousand, two hundred ninety".