43520725368163 has 2 divisors, whose sum is σ = 43520725368164. Its totient is φ = 43520725368162.

The previous prime is 43520725368137. The next prime is 43520725368173. The reversal of 43520725368163 is 36186352702534.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43520725368163 - 2²⁹ = 43520188497251 is a prime.

It is a super-3 number, since 3×43520725368163³ (a number of 42 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (43520725368173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21760362684081 + 21760362684082.

It is an arithmetic number, because the mean of its divisors is an integer number (21760362684082).

Almost surely, 2^{43520725368163} is an apocalyptic number.

43520725368163 is a deficient number, since it is larger than the sum of its proper divisors (1).

43520725368163 is an equidigital number, since it uses as much as digits as its factorization.

43520725368163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21772800, while the sum is 55.

The spelling of 43520725368163 in words is "forty-three trillion, five hundred twenty billion, seven hundred twenty-five million, three hundred sixty-eight thousand, one hundred sixty-three".