20053421453029 has 2 divisors, whose sum is σ = 20053421453030. Its totient is φ = 20053421453028.

The previous prime is 20053421452943. The next prime is 20053421453047. The reversal of 20053421453029 is 92035412435002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12830738328004 + 7222683125025 = 3582002^2 + 2687505^2 .

It is a cyclic number.

It is not a de Polignac number, because 20053421453029 - 2⁷ = 20053421452901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20053421452982 and 20053421453000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20053421453929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10026710726514 + 10026710726515.

It is an arithmetic number, because the mean of its divisors is an integer number (10026710726515).

Almost surely, 2^{20053421453029} is an apocalyptic number.

It is an amenable number.

20053421453029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20053421453029 is an equidigital number, since it uses as much as digits as its factorization.

20053421453029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 20053421453029 in words is "twenty trillion, fifty-three billion, four hundred twenty-one million, four hundred fifty-three thousand, twenty-nine".