2626002649 has 4 divisors (see below), whose sum is σ = 2626482960. Its totient is φ = 2625522340.

The previous prime is 2626002641. The next prime is 2626002697. The reversal of 2626002649 is 9462006262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2626002649 - 2³ = 2626002641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2626002641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231859 + ... + 242920.

It is an arithmetic number, because the mean of its divisors is an integer number (656620740).

Almost surely, 2^2626002649 is an apocalyptic number.

It is an amenable number.

2626002649 is a deficient number, since it is larger than the sum of its proper divisors (480311).

2626002649 is an equidigital number, since it uses as much as digits as its factorization.

2626002649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480310.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 2626002649 is about 51244.5377479395. The cubic root of 2626002649 is about 1379.6376996473.

The spelling of 2626002649 in words is "two billion, six hundred twenty-six million, two thousand, six hundred forty-nine".