2649476290 has 8 divisors (see below), whose sum is σ = 4769057340. Its totient is φ = 1059790512.

The previous prime is 2649476267. The next prime is 2649476317. The reversal of 2649476290 is 926749462.

It can be written as a sum of positive squares in 2 ways, for example, as 2649469729 + 6561 = 51473^2 + 81^2 .

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

It is a super-2 number, since 2×2649476290² = 14039449222544328200, which contains 22 as substring.

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, 132473805 + ... + 132473824.

Almost surely, 2^2649476290 is an apocalyptic number.

2649476290 is a deficient number, since it is larger than the sum of its proper divisors (2119581050).

2649476290 is a wasteful number, since it uses less digits than its factorization.

2649476290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264947636.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 2649476290 is about 51473.0637324028. The cubic root of 2649476290 is about 1383.7363373490.

The spelling of 2649476290 in words is "two billion, six hundred forty-nine million, four hundred seventy-six thousand, two hundred ninety".