2640408053 has 2 divisors, whose sum is σ = 2640408054. Its totient is φ = 2640408052.

The previous prime is 2640408019. The next prime is 2640408079. The reversal of 2640408053 is 3508040462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2640212689 + 195364 = 51383^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 2640408053 - 2¹² = 2640403957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2640408553) 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, 1320204026 + 1320204027.

It is an arithmetic number, because the mean of its divisors is an integer number (1320204027).

Almost surely, 2^2640408053 is an apocalyptic number.

It is an amenable number.

2640408053 is a deficient number, since it is larger than the sum of its proper divisors (1).

2640408053 is an equidigital number, since it uses as much as digits as its factorization.

2640408053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 2640408053 is about 51384.9010216036. The cubic root of 2640408053 is about 1382.1558498826.

The spelling of 2640408053 in words is "two billion, six hundred forty million, four hundred eight thousand, fifty-three".