20260445761739 has 2 divisors, whose sum is σ = 20260445761740. Its totient is φ = 20260445761738.

The previous prime is 20260445761729. The next prime is 20260445761763. The reversal of 20260445761739 is 93716754406202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20260445761739 - 2⁸ = 20260445761483 is a prime.

It is not a weakly prime, because it can be changed into another prime (20260445761709) 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, 10130222880869 + 10130222880870.

It is an arithmetic number, because the mean of its divisors is an integer number (10130222880870).

Almost surely, 2^{20260445761739} is an apocalyptic number.

20260445761739 is a deficient number, since it is larger than the sum of its proper divisors (1).

20260445761739 is an equidigital number, since it uses as much as digits as its factorization.

20260445761739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 20260445761739 in words is "twenty trillion, two hundred sixty billion, four hundred forty-five million, seven hundred sixty-one thousand, seven hundred thirty-nine".