2640707093 has 2 divisors, whose sum is σ = 2640707094. Its totient is φ = 2640707092.

The previous prime is 2640707051. The next prime is 2640707101. The reversal of 2640707093 is 3907070462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1852613764 + 788093329 = 43042^2 + 28073^2 .

It is a cyclic number.

It is not a de Polignac number, because 2640707093 - 2²⁰ = 2639658517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2640737093) 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, 1320353546 + 1320353547.

It is an arithmetic number, because the mean of its divisors is an integer number (1320353547).

Almost surely, 2^2640707093 is an apocalyptic number.

It is an amenable number.

2640707093 is a deficient number, since it is larger than the sum of its proper divisors (1).

2640707093 is an equidigital number, since it uses as much as digits as its factorization.

2640707093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 2640707093 is about 51387.8107434049. The cubic root of 2640707093 is about 1382.2080267020.

The spelling of 2640707093 in words is "two billion, six hundred forty million, seven hundred seven thousand, ninety-three".