5259783515197 has 4 divisors (see below), whose sum is σ = 5260641141340. Its totient is φ = 5258925889056.

The previous prime is 5259783515191. The next prime is 5259783515263. The reversal of 5259783515197 is 7915153879525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4434945376761 + 824838138436 = 2105931^2 + 908206^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5259783515197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5259783515191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428803872 + ... + 428816137.

It is an arithmetic number, because the mean of its divisors is an integer number (1315160285335).

Almost surely, 2^{5259783515197} is an apocalyptic number.

It is an amenable number.

5259783515197 is a deficient number, since it is larger than the sum of its proper divisors (857626143).

5259783515197 is an equidigital number, since it uses as much as digits as its factorization.

5259783515197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857626142.

The product of its digits is 119070000, while the sum is 67.

The spelling of 5259783515197 in words is "five trillion, two hundred fifty-nine billion, seven hundred eighty-three million, five hundred fifteen thousand, one hundred ninety-seven".