20492458768753 has 2 divisors, whose sum is σ = 20492458768754. Its totient is φ = 20492458768752.

The previous prime is 20492458768729. The next prime is 20492458768877. The reversal of 20492458768753 is 35786785429402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11331255313249 + 9161203455504 = 3366193^2 + 3026748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20492458768753 is a prime.

It is not a weakly prime, because it can be changed into another prime (20492458708753) 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, 10246229384376 + 10246229384377.

It is an arithmetic number, because the mean of its divisors is an integer number (10246229384377).

Almost surely, 2^{20492458768753} is an apocalyptic number.

It is an amenable number.

20492458768753 is a deficient number, since it is larger than the sum of its proper divisors (1).

20492458768753 is an equidigital number, since it uses as much as digits as its factorization.

20492458768753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 812851200, while the sum is 70.

The spelling of 20492458768753 in words is "twenty trillion, four hundred ninety-two billion, four hundred fifty-eight million, seven hundred sixty-eight thousand, seven hundred fifty-three".