2540886453533 has 2 divisors, whose sum is σ = 2540886453534. Its totient is φ = 2540886453532.

The previous prime is 2540886453491. The next prime is 2540886453559. The reversal of 2540886453533 is 3353546880452.

It is a happy number.

2540886453533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2215864462084 + 325021991449 = 1488578^2 + 570107^2 .

It is a cyclic number.

It is not a de Polignac number, because 2540886453533 - 2⁸ = 2540886453277 is a prime.

It is a super-2 number, since 2×2540886453533² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2540886453233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270443226766 + 1270443226767.

It is an arithmetic number, because the mean of its divisors is an integer number (1270443226767).

Almost surely, 2^{2540886453533} is an apocalyptic number.

It is an amenable number.

2540886453533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540886453533 is an equidigital number, since it uses as much as digits as its factorization.

2540886453533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472000, while the sum is 56.

The spelling of 2540886453533 in words is "two trillion, five hundred forty billion, eight hundred eighty-six million, four hundred fifty-three thousand, five hundred thirty-three".