43225544552213 has 2 divisors, whose sum is σ = 43225544552214. Its totient is φ = 43225544552212.

The previous prime is 43225544552173. The next prime is 43225544552269. The reversal of 43225544552213 is 31225544552234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30342448526404 + 12883096025809 = 5508398^2 + 3589303^2 .

It is a cyclic number.

It is not a de Polignac number, because 43225544552213 - 2⁴² = 38827498041109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43225544551213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21612772276106 + 21612772276107.

It is an arithmetic number, because the mean of its divisors is an integer number (21612772276107).

Almost surely, 2^{43225544552213} is an apocalyptic number.

It is an amenable number.

43225544552213 is a deficient number, since it is larger than the sum of its proper divisors (1).

43225544552213 is an equidigital number, since it uses as much as digits as its factorization.

43225544552213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760000, while the sum is 47.

The spelling of 43225544552213 in words is "forty-three trillion, two hundred twenty-five billion, five hundred forty-four million, five hundred fifty-two thousand, two hundred thirteen".