16432441505573 has 2 divisors, whose sum is σ = 16432441505574. Its totient is φ = 16432441505572.

The previous prime is 16432441505503. The next prime is 16432441505617. The reversal of 16432441505573 is 37550514423461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15705313518049 + 727127987524 = 3962993^2 + 852718^2 .

It is a cyclic number.

It is not a de Polignac number, because 16432441505573 - 2³⁶ = 16363722028837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16432441505503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8216220752786 + 8216220752787.

It is an arithmetic number, because the mean of its divisors is an integer number (8216220752787).

Almost surely, 2^{16432441505573} is an apocalyptic number.

It is an amenable number.

16432441505573 is a deficient number, since it is larger than the sum of its proper divisors (1).

16432441505573 is an equidigital number, since it uses as much as digits as its factorization.

16432441505573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 16432441505573 in words is "sixteen trillion, four hundred thirty-two billion, four hundred forty-one million, five hundred five thousand, five hundred seventy-three".