248431824139 has 2 divisors, whose sum is σ = 248431824140. Its totient is φ = 248431824138.

The previous prime is 248431824119. The next prime is 248431824149. The reversal of 248431824139 is 931428134842.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248431824139 is a prime.

It is a super-4 number, since 4×248431824139⁴ (a number of 47 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 248431824092 and 248431824101.

It is not a weakly prime, because it can be changed into another prime (248431824119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124215912069 + 124215912070.

It is an arithmetic number, because the mean of its divisors is an integer number (124215912070).

Almost surely, 2^248431824139 is an apocalyptic number.

248431824139 is a deficient number, since it is larger than the sum of its proper divisors (1).

248431824139 is an equidigital number, since it uses as much as digits as its factorization.

248431824139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 49.

The spelling of 248431824139 in words is "two hundred forty-eight billion, four hundred thirty-one million, eight hundred twenty-four thousand, one hundred thirty-nine".