20441539273 has 2 divisors, whose sum is σ = 20441539274. Its totient is φ = 20441539272.

The previous prime is 20441539243. The next prime is 20441539277. The reversal of 20441539273 is 37293514402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11769646144 + 8671893129 = 108488^2 + 93123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20441539273 is a prime.

It is not a weakly prime, because it can be changed into another prime (20441539277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10220769636 + 10220769637.

It is an arithmetic number, because the mean of its divisors is an integer number (10220769637).

Almost surely, 2^20441539273 is an apocalyptic number.

It is an amenable number.

20441539273 is a deficient number, since it is larger than the sum of its proper divisors (1).

20441539273 is an equidigital number, since it uses as much as digits as its factorization.

20441539273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 20441539273 in words is "twenty billion, four hundred forty-one million, five hundred thirty-nine thousand, two hundred seventy-three".