2649005003 has 2 divisors, whose sum is σ = 2649005004. Its totient is φ = 2649005002.

The previous prime is 2649004987. The next prime is 2649005027. The reversal of 2649005003 is 3005009462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2649005003 - 2⁴ = 2649004987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2649005033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324502501 + 1324502502.

It is an arithmetic number, because the mean of its divisors is an integer number (1324502502).

Almost surely, 2^2649005003 is an apocalyptic number.

2649005003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2649005003 is an equidigital number, since it uses as much as digits as its factorization.

2649005003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2649005003 is about 51468.4855324110. The cubic root of 2649005003 is about 1383.6542864646.

The spelling of 2649005003 in words is "two billion, six hundred forty-nine million, five thousand, three".