1344623264225 has 12 divisors (see below), whose sum is σ = 1667617702764. Its totient is φ = 1075514833920.

The previous prime is 1344623264221. The next prime is 1344623264239. The reversal of 1344623264225 is 5224623264431.

It can be written as a sum of positive squares in 6 ways, for example, as 730242529 + 1343893021696 = 27023^2 + 1159264^2 .

It is not a de Polignac number, because 1344623264225 - 2² = 1344623264221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344623264221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4445084 + ... + 4737933.

It is an arithmetic number, because the mean of its divisors is an integer number (138968141897).

Almost surely, 2^{1344623264225} is an apocalyptic number.

It is an amenable number.

1344623264225 is a deficient number, since it is larger than the sum of its proper divisors (322994438539).

1344623264225 is an equidigital number, since it uses as much as digits as its factorization.

1344623264225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9188884 (or 9188879 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 44.

The spelling of 1344623264225 in words is "one trillion, three hundred forty-four billion, six hundred twenty-three million, two hundred sixty-four thousand, two hundred twenty-five".