10020543454459 has 2 divisors, whose sum is σ = 10020543454460. Its totient is φ = 10020543454458.

The previous prime is 10020543454393. The next prime is 10020543454483. The reversal of 10020543454459 is 95445434502001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10020543454459 - 2¹¹ = 10020543452411 is a prime.

It is a super-2 number, since 2×10020543454459² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10020543454759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010271727229 + 5010271727230.

It is an arithmetic number, because the mean of its divisors is an integer number (5010271727230).

Almost surely, 2^{10020543454459} is an apocalyptic number.

10020543454459 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020543454459 is an equidigital number, since it uses as much as digits as its factorization.

10020543454459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 10020543454459 in words is "ten trillion, twenty billion, five hundred forty-three million, four hundred fifty-four thousand, four hundred fifty-nine".