20044041497 has 2 divisors, whose sum is σ = 20044041498. Its totient is φ = 20044041496.

The previous prime is 20044041481. The next prime is 20044041517. The reversal of 20044041497 is 79414044002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19005655321 + 1038386176 = 137861^2 + 32224^2 .

It is a cyclic number.

It is not a de Polignac number, because 20044041497 - 2⁴ = 20044041481 is a prime.

It is not a weakly prime, because it can be changed into another prime (20044047497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10022020748 + 10022020749.

It is an arithmetic number, because the mean of its divisors is an integer number (10022020749).

Almost surely, 2^20044041497 is an apocalyptic number.

It is an amenable number.

20044041497 is a deficient number, since it is larger than the sum of its proper divisors (1).

20044041497 is an equidigital number, since it uses as much as digits as its factorization.

20044041497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

Adding to 20044041497 its reverse (79414044002), we get a palindrome (99458085499).

The spelling of 20044041497 in words is "twenty billion, forty-four million, forty-one thousand, four hundred ninety-seven".