2649363331 has 4 divisors (see below), whose sum is σ = 2649955672. Its totient is φ = 2648770992.

The previous prime is 2649363329. The next prime is 2649363337. The reversal of 2649363331 is 1333639462.

2649363331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2649363331 - 2¹ = 2649363329 is a prime.

It is a super-2 number, since 2×2649363331² = 14038252119294831122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2649363337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289410 + ... + 298423.

It is an arithmetic number, because the mean of its divisors is an integer number (662488918).

Almost surely, 2^2649363331 is an apocalyptic number.

2649363331 is a deficient number, since it is larger than the sum of its proper divisors (592341).

2649363331 is an equidigital number, since it uses as much as digits as its factorization.

2649363331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592340.

The product of its digits is 209952, while the sum is 40.

The square root of 2649363331 is about 51471.9664574805. The cubic root of 2649363331 is about 1383.7166721175.

The spelling of 2649363331 in words is "two billion, six hundred forty-nine million, three hundred sixty-three thousand, three hundred thirty-one".