2649231073 has 2 divisors, whose sum is σ = 2649231074. Its totient is φ = 2649231072.

The previous prime is 2649231071. The next prime is 2649231089. The reversal of 2649231073 is 3701329462.

2649231073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2013586129 + 635644944 = 44873^2 + 25212^2 .

It is a cyclic number.

It is not a de Polignac number, because 2649231073 - 2¹ = 2649231071 is a prime.

Together with 2649231071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2649231071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324615536 + 1324615537.

It is an arithmetic number, because the mean of its divisors is an integer number (1324615537).

Almost surely, 2^2649231073 is an apocalyptic number.

It is an amenable number.

2649231073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2649231073 is an equidigital number, since it uses as much as digits as its factorization.

2649231073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 2649231073 is about 51470.6816838479. The cubic root of 2649231073 is about 1383.6936463785.

The spelling of 2649231073 in words is "two billion, six hundred forty-nine million, two hundred thirty-one thousand, seventy-three".