2052140535409 has 2 divisors, whose sum is σ = 2052140535410. Its totient is φ = 2052140535408.

The previous prime is 2052140535377. The next prime is 2052140535413. The reversal of 2052140535409 is 9045350412502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1721745495409 + 330395040000 = 1312153^2 + 574800^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052140535409 - 2⁵ = 2052140535377 is a prime.

It is a super-2 number, since 2×2052140535409² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2052140535439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026070267704 + 1026070267705.

It is an arithmetic number, because the mean of its divisors is an integer number (1026070267705).

Almost surely, 2^{2052140535409} is an apocalyptic number.

It is an amenable number.

2052140535409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2052140535409 is an equidigital number, since it uses as much as digits as its factorization.

2052140535409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 2052140535409 in words is "two trillion, fifty-two billion, one hundred forty million, five hundred thirty-five thousand, four hundred nine".