20048590188749 has 2 divisors, whose sum is σ = 20048590188750. Its totient is φ = 20048590188748.

The previous prime is 20048590188743. The next prime is 20048590188779. The reversal of 20048590188749 is 94788109584002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12995412157225 + 7053178031524 = 3604915^2 + 2655782^2 .

It is a cyclic number.

It is not a de Polignac number, because 20048590188749 - 2⁴ = 20048590188733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20048590188743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10024295094374 + 10024295094375.

It is an arithmetic number, because the mean of its divisors is an integer number (10024295094375).

Almost surely, 2^{20048590188749} is an apocalyptic number.

It is an amenable number.

20048590188749 is a deficient number, since it is larger than the sum of its proper divisors (1).

20048590188749 is an equidigital number, since it uses as much as digits as its factorization.

20048590188749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46448640, while the sum is 65.

The spelling of 20048590188749 in words is "twenty trillion, forty-eight billion, five hundred ninety million, one hundred eighty-eight thousand, seven hundred forty-nine".