248738423519 has 2 divisors, whose sum is σ = 248738423520. Its totient is φ = 248738423518.

The previous prime is 248738423491. The next prime is 248738423581. The reversal of 248738423519 is 915324837842.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248738423519 is a prime.

It is a super-2 number, since 2×248738423519² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248738423719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124369211759 + 124369211760.

It is an arithmetic number, because the mean of its divisors is an integer number (124369211760).

Almost surely, 2^248738423519 is an apocalyptic number.

248738423519 is a deficient number, since it is larger than the sum of its proper divisors (1).

248738423519 is an equidigital number, since it uses as much as digits as its factorization.

248738423519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11612160, while the sum is 56.

The spelling of 248738423519 in words is "two hundred forty-eight billion, seven hundred thirty-eight million, four hundred twenty-three thousand, five hundred nineteen".