748705537431 has 12 divisors (see below), whose sum is σ = 1086953219352. Its totient is φ = 496603333296.

The previous prime is 748705537427. The next prime is 748705537439. The reversal of 748705537431 is 134735507847.

748705537431 is a `hidden beast` number, since 7 + 4 + 8 + 70 + 5 + 537 + 4 + 31 = 666.

It is not a de Polignac number, because 748705537431 - 2² = 748705537427 is a prime.

It is a super-2 number, since 2×748705537431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748705537439) 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 11 ways as a sum of consecutive naturals, for example, 211139101 + ... + 211142646.

It is an arithmetic number, because the mean of its divisors is an integer number (90579434946).

Almost surely, 2^748705537431 is an apocalyptic number.

748705537431 is a deficient number, since it is larger than the sum of its proper divisors (338247681921).

748705537431 is a wasteful number, since it uses less digits than its factorization.

748705537431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422281950 (or 422281947 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 54.

The spelling of 748705537431 in words is "seven hundred forty-eight billion, seven hundred five million, five hundred thirty-seven thousand, four hundred thirty-one".