5219913137 has 4 divisors (see below), whose sum is σ = 5246410356. Its totient is φ = 5193415920.

The previous prime is 5219913133. The next prime is 5219913143. The reversal of 5219913137 is 7313199125.

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 2310821041 + 2909092096 = 48071^2 + 53936^2 .

It is a cyclic number.

It is not a de Polignac number, because 5219913137 - 2² = 5219913133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5219913094 and 5219913103.

It is not an unprimeable number, because it can be changed into a prime (5219913133) 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, 13248314 + ... + 13248707.

It is an arithmetic number, because the mean of its divisors is an integer number (1311602589).

Almost surely, 2^5219913137 is an apocalyptic number.

It is an amenable number.

5219913137 is a deficient number, since it is larger than the sum of its proper divisors (26497219).

5219913137 is a wasteful number, since it uses less digits than its factorization.

5219913137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26497218.

The product of its digits is 51030, while the sum is 41.

The square root of 5219913137 is about 72248.9663386266. The cubic root of 5219913137 is about 1734.6868729844.

The spelling of 5219913137 in words is "five billion, two hundred nineteen million, nine hundred thirteen thousand, one hundred thirty-seven".