1052959250909 has 4 divisors (see below), whose sum is σ = 1078641183900. Its totient is φ = 1027277317920.

The previous prime is 1052959250809. The next prime is 1052959250989. The reversal of 1052959250909 is 9090529592501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 161451276100 + 891507974809 = 401810^2 + 944197^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052959250909 - 2³² = 1048664283613 is a prime.

It is a super-2 number, since 2×1052959250909² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052959250989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12840966434 + ... + 12840966515.

It is an arithmetic number, because the mean of its divisors is an integer number (269660295975).

Almost surely, 2^{1052959250909} is an apocalyptic number.

It is an amenable number.

1052959250909 is a deficient number, since it is larger than the sum of its proper divisors (25681932991).

1052959250909 is an equidigital number, since it uses as much as digits as its factorization.

1052959250909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25681932990.

The product of its (nonzero) digits is 3280500, while the sum is 56.

The spelling of 1052959250909 in words is "one trillion, fifty-two billion, nine hundred fifty-nine million, two hundred fifty thousand, nine hundred nine".