2052493409 has 2 divisors, whose sum is σ = 2052493410. Its totient is φ = 2052493408.

The previous prime is 2052493397. The next prime is 2052493439. The reversal of 2052493409 is 9043942502.

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., 1326999184 + 725494225 = 36428^2 + 26935^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052493409 - 2⁴ = 2052493393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2052493439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1026246704 + 1026246705.

It is an arithmetic number, because the mean of its divisors is an integer number (1026246705).

Almost surely, 2^2052493409 is an apocalyptic number.

It is an amenable number.

2052493409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2052493409 is an equidigital number, since it uses as much as digits as its factorization.

2052493409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 2052493409 is about 45304.4524191607. The cubic root of 2052493409 is about 1270.8489186481.

The spelling of 2052493409 in words is "two billion, fifty-two million, four hundred ninety-three thousand, four hundred nine".