2649326493 has 16 divisors (see below), whose sum is σ = 3854426112. Its totient is φ = 1605294000.

The previous prime is 2649326443. The next prime is 2649326543. The reversal of 2649326493 is 3946239462.

It is an interprime number because it is at equal distance from previous prime (2649326443) and next prime (2649326543).

It is not a de Polignac number, because 2649326493 - 2¹² = 2649322397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649326443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286878 + ... + 295968.

It is an arithmetic number, because the mean of its divisors is an integer number (240901632).

Almost surely, 2^2649326493 is an apocalyptic number.

It is an amenable number.

2649326493 is a deficient number, since it is larger than the sum of its proper divisors (1205099619).

2649326493 is a wasteful number, since it uses less digits than its factorization.

2649326493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17936.

The product of its digits is 1679616, while the sum is 48.

The square root of 2649326493 is about 51471.6086109614. The cubic root of 2649326493 is about 1383.7102588042.

The spelling of 2649326493 in words is "two billion, six hundred forty-nine million, three hundred twenty-six thousand, four hundred ninety-three".