5123646339 has 48 divisors (see below), whose sum is σ = 8069580288. Its totient is φ = 2882949888.

The previous prime is 5123646323. The next prime is 5123646361. The reversal of 5123646339 is 9336463215.

It is a happy number.

It is not a de Polignac number, because 5123646339 - 2⁴ = 5123646323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5123646339.

It is not an unprimeable number, because it can be changed into a prime (5123645339) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2773114 + ... + 2774960.

It is an arithmetic number, because the mean of its divisors is an integer number (168116256).

Almost surely, 2^5123646339 is an apocalyptic number.

5123646339 is a deficient number, since it is larger than the sum of its proper divisors (2945933949).

5123646339 is a wasteful number, since it uses less digits than its factorization.

5123646339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144 (or 2137 counting only the distinct ones).

The product of its digits is 349920, while the sum is 42.

The square root of 5123646339 is about 71579.6503134795. The cubic root of 5123646339 is about 1723.9568111436.

The spelling of 5123646339 in words is "five billion, one hundred twenty-three million, six hundred forty-six thousand, three hundred thirty-nine".