748523445193 has 4 divisors (see below), whose sum is σ = 748536440080. Its totient is φ = 748510450308.

The previous prime is 748523445179. The next prime is 748523445251. The reversal of 748523445193 is 391544325847.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 391544325847 = 529987 ⋅738781.

It is a cyclic number.

It is not a de Polignac number, because 748523445193 - 2²⁹ = 747986574281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (748523445133) 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, 6410655 + ... + 6526372.

It is an arithmetic number, because the mean of its divisors is an integer number (187134110020).

Almost surely, 2^748523445193 is an apocalyptic number.

It is an amenable number.

748523445193 is a deficient number, since it is larger than the sum of its proper divisors (12994887).

748523445193 is a wasteful number, since it uses less digits than its factorization.

748523445193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12994886.

The product of its digits is 14515200, while the sum is 55.

The spelling of 748523445193 in words is "seven hundred forty-eight billion, five hundred twenty-three million, four hundred forty-five thousand, one hundred ninety-three".