5123809837 has 2 divisors, whose sum is σ = 5123809838. Its totient is φ = 5123809836.

The previous prime is 5123809829. The next prime is 5123809841. The reversal of 5123809837 is 7389083215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4930988841 + 192820996 = 70221^2 + 13886^2 .

It is a cyclic number.

It is not a de Polignac number, because 5123809837 - 2³ = 5123809829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5123809937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561904918 + 2561904919.

It is an arithmetic number, because the mean of its divisors is an integer number (2561904919).

Almost surely, 2^5123809837 is an apocalyptic number.

It is an amenable number.

5123809837 is a deficient number, since it is larger than the sum of its proper divisors (1).

5123809837 is an equidigital number, since it uses as much as digits as its factorization.

5123809837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 5123809837 is about 71580.7923747705. The cubic root of 5123809837 is about 1723.9751483768.

The spelling of 5123809837 in words is "five billion, one hundred twenty-three million, eight hundred nine thousand, eight hundred thirty-seven".