44152313213 has 2 divisors, whose sum is σ = 44152313214. Its totient is φ = 44152313212.

The previous prime is 44152313209. The next prime is 44152313243. The reversal of 44152313213 is 31231325144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43219499449 + 932813764 = 207893^2 + 30542^2 .

It is a cyclic number.

It is not a de Polignac number, because 44152313213 - 2² = 44152313209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44152313243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22076156606 + 22076156607.

It is an arithmetic number, because the mean of its divisors is an integer number (22076156607).

Almost surely, 2^44152313213 is an apocalyptic number.

It is an amenable number.

44152313213 is a deficient number, since it is larger than the sum of its proper divisors (1).

44152313213 is an equidigital number, since it uses as much as digits as its factorization.

44152313213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

Adding to 44152313213 its reverse (31231325144), we get a palindrome (75383638357).

The spelling of 44152313213 in words is "forty-four billion, one hundred fifty-two million, three hundred thirteen thousand, two hundred thirteen".