4252244037409 has 9 divisors (see below), whose sum is σ = 4260212433561. Its totient is φ = 4244290529280.

The previous prime is 4252244037401. The next prime is 4252244037473. The reversal of 4252244037409 is 9047304422524.

The square root of 4252244037409 is 2062097.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2751932621025 + 1500311416384 = 1658895^2 + 1224872^2 .

It is not a de Polignac number, because 4252244037409 - 2³ = 4252244037401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4252244037401) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1321802569 + ... + 1321805785.

Almost surely, 2^{4252244037409} is an apocalyptic number.

4252244037409 is the 2062097-th square number.

4252244037409 is the 1031049-th centered octagonal number.

It is an amenable number.

4252244037409 is a deficient number, since it is larger than the sum of its proper divisors (7968396152).

4252244037409 is an frugal number, since it uses more digits than its factorization.

4252244037409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7716 (or 3858 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 46.

The spelling of 4252244037409 in words is "four trillion, two hundred fifty-two billion, two hundred forty-four million, thirty-seven thousand, four hundred nine".