7244661455809 has 6 divisors (see below), whose sum is σ = 7485898883010. Its totient is φ = 7010962698240.

The previous prime is 7244661455797. The next prime is 7244661455813. The reversal of 7244661455809 is 9085541664427.

It can be written as a sum of positive squares in only one way, i.e., 5714356382784 + 1530305073025 = 2390472^2 + 1237055^2 .

It is not a de Polignac number, because 7244661455809 - 2¹¹ = 7244661453761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7244661455879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3769333824 + ... + 3769335745.

It is an arithmetic number, because the mean of its divisors is an integer number (1247649813835).

Almost surely, 2^{7244661455809} is an apocalyptic number.

It is an amenable number.

7244661455809 is a deficient number, since it is larger than the sum of its proper divisors (241237427201).

7244661455809 is an equidigital number, since it uses as much as digits as its factorization.

7244661455809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7538669631 (or 7538669600 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 61.

The spelling of 7244661455809 in words is "seven trillion, two hundred forty-four billion, six hundred sixty-one million, four hundred fifty-five thousand, eight hundred nine".