5197499089903 has 2 divisors, whose sum is σ = 5197499089904. Its totient is φ = 5197499089902.

The previous prime is 5197499089817. The next prime is 5197499089957. The reversal of 5197499089903 is 3099809947915.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5197499089903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5197499089603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2598749544951 + 2598749544952.

It is an arithmetic number, because the mean of its divisors is an integer number (2598749544952).

Almost surely, 2^{5197499089903} is an apocalyptic number.

5197499089903 is a deficient number, since it is larger than the sum of its proper divisors (1).

5197499089903 is an equidigital number, since it uses as much as digits as its factorization.

5197499089903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 198404640, while the sum is 73.

The spelling of 5197499089903 in words is "five trillion, one hundred ninety-seven billion, four hundred ninety-nine million, eighty-nine thousand, nine hundred three".