748719745126 has 4 divisors (see below), whose sum is σ = 1123079617692. Its totient is φ = 374359872562.

The previous prime is 748719745069. The next prime is 748719745127. The reversal of 748719745126 is 621547917847.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 621547917847 = 73 ⋅8514355039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748719745127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187179936280 + ... + 187179936283.

It is an arithmetic number, because the mean of its divisors is an integer number (280769904423).

Almost surely, 2^748719745126 is an apocalyptic number.

748719745126 is a deficient number, since it is larger than the sum of its proper divisors (374359872566).

748719745126 is a wasteful number, since it uses less digits than its factorization.

748719745126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374359872565.

The product of its digits is 23708160, while the sum is 61.

The spelling of 748719745126 in words is "seven hundred forty-eight billion, seven hundred nineteen million, seven hundred forty-five thousand, one hundred twenty-six".