2641529993 has 2 divisors, whose sum is σ = 2641529994. Its totient is φ = 2641529992.

The previous prime is 2641529987. The next prime is 2641530019. The reversal of 2641529993 is 3999251462.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1523497024 + 1118032969 = 39032^2 + 33437^2 .

It is a cyclic number.

It is not a de Polignac number, because 2641529993 - 2⁴ = 2641529977 is a prime.

It is not a weakly prime, because it can be changed into another prime (2641529903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320764996 + 1320764997.

It is an arithmetic number, because the mean of its divisors is an integer number (1320764997).

Almost surely, 2^2641529993 is an apocalyptic number.

It is an amenable number.

2641529993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2641529993 is an equidigital number, since it uses as much as digits as its factorization.

2641529993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 50.

The square root of 2641529993 is about 51395.8168823106. The cubic root of 2641529993 is about 1382.3515868443.

The spelling of 2641529993 in words is "two billion, six hundred forty-one million, five hundred twenty-nine thousand, nine hundred ninety-three".