5203386853837 has 2 divisors, whose sum is σ = 5203386853838. Its totient is φ = 5203386853836.

The previous prime is 5203386853831. The next prime is 5203386853909. The reversal of 5203386853837 is 7383586833025.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2629524939561 + 2573861914276 = 1621581^2 + 1604326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5203386853837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5203386853831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2601693426918 + 2601693426919.

It is an arithmetic number, because the mean of its divisors is an integer number (2601693426919).

Almost surely, 2^{5203386853837} is an apocalyptic number.

It is an amenable number.

5203386853837 is a deficient number, since it is larger than the sum of its proper divisors (1).

5203386853837 is an equidigital number, since it uses as much as digits as its factorization.

5203386853837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87091200, while the sum is 61.

The spelling of 5203386853837 in words is "five trillion, two hundred three billion, three hundred eighty-six million, eight hundred fifty-three thousand, eight hundred thirty-seven".