20492555529443 has 2 divisors, whose sum is σ = 20492555529444. Its totient is φ = 20492555529442.

The previous prime is 20492555529403. The next prime is 20492555529559. The reversal of 20492555529443 is 34492555529402.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20492555529443 - 2²⁸ = 20492287093987 is a prime.

It is not a weakly prime, because it can be changed into another prime (20492555529403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10246277764721 + 10246277764722.

It is an arithmetic number, because the mean of its divisors is an integer number (10246277764722).

Almost surely, 2^{20492555529443} is an apocalyptic number.

20492555529443 is a deficient number, since it is larger than the sum of its proper divisors (1).

20492555529443 is an equidigital number, since it uses as much as digits as its factorization.

20492555529443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760000, while the sum is 59.

The spelling of 20492555529443 in words is "twenty trillion, four hundred ninety-two billion, five hundred fifty-five million, five hundred twenty-nine thousand, four hundred forty-three".