13123210519 has 2 divisors, whose sum is σ = 13123210520. Its totient is φ = 13123210518.

The previous prime is 13123210517. The next prime is 13123210553. The reversal of 13123210519 is 91501232131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13123210519 - 2¹ = 13123210517 is a prime.

It is a super-2 number, since 2×13123210519² (a number of 21 digits) contains 22 as substring.

Together with 13123210517, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13123210517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561605259 + 6561605260.

It is an arithmetic number, because the mean of its divisors is an integer number (6561605260).

Almost surely, 2^13123210519 is an apocalyptic number.

13123210519 is a deficient number, since it is larger than the sum of its proper divisors (1).

13123210519 is an equidigital number, since it uses as much as digits as its factorization.

13123210519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The spelling of 13123210519 in words is "thirteen billion, one hundred twenty-three million, two hundred ten thousand, five hundred nineteen".