16443537225041 has 2 divisors, whose sum is σ = 16443537225042. Its totient is φ = 16443537225040.

The previous prime is 16443537224981. The next prime is 16443537225077. The reversal of 16443537225041 is 14052273534461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9547661225041 + 6895876000000 = 3089929^2 + 2626000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16443537225041 is a prime.

It is a super-3 number, since 3×16443537225041³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (16443537225341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221768612520 + 8221768612521.

It is an arithmetic number, because the mean of its divisors is an integer number (8221768612521).

Almost surely, 2^{16443537225041} is an apocalyptic number.

It is an amenable number.

16443537225041 is a deficient number, since it is larger than the sum of its proper divisors (1).

16443537225041 is an equidigital number, since it uses as much as digits as its factorization.

16443537225041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 16443537225041 in words is "sixteen trillion, four hundred forty-three billion, five hundred thirty-seven million, two hundred twenty-five thousand, forty-one".