5203521554947 has 2 divisors, whose sum is σ = 5203521554948. Its totient is φ = 5203521554946.

The previous prime is 5203521554929. The next prime is 5203521555031. The reversal of 5203521554947 is 7494551253025.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5203521554947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5203521554894 and 5203521554903.

It is not a weakly prime, because it can be changed into another prime (5203521554447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2601760777473 + 2601760777474.

It is an arithmetic number, because the mean of its divisors is an integer number (2601760777474).

Almost surely, 2^{5203521554947} is an apocalyptic number.

5203521554947 is a deficient number, since it is larger than the sum of its proper divisors (1).

5203521554947 is an equidigital number, since it uses as much as digits as its factorization.

5203521554947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560000, while the sum is 52.

The spelling of 5203521554947 in words is "five trillion, two hundred three billion, five hundred twenty-one million, five hundred fifty-four thousand, nine hundred forty-seven".