248738423567 has 4 divisors (see below), whose sum is σ = 248739854016. Its totient is φ = 248736993120.

The previous prime is 248738423519. The next prime is 248738423581. The reversal of 248738423567 is 765324837842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 248738423567 - 2¹⁸ = 248738161423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248738423267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411359 + ... + 816512.

It is an arithmetic number, because the mean of its divisors is an integer number (62184963504).

Almost surely, 2^248738423567 is an apocalyptic number.

248738423567 is a deficient number, since it is larger than the sum of its proper divisors (1430449).

248738423567 is a wasteful number, since it uses less digits than its factorization.

248738423567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430448.

The product of its digits is 54190080, while the sum is 59.

The spelling of 248738423567 in words is "two hundred forty-eight billion, seven hundred thirty-eight million, four hundred twenty-three thousand, five hundred sixty-seven".