43748552493 has 16 divisors (see below), whose sum is σ = 64821968640. Its totient is φ = 29161517472.

The previous prime is 43748552473. The next prime is 43748552501. The reversal of 43748552493 is 39425584734.

43748552493 is a `hidden beast` number, since 4 + 3 + 7 + 48 + 552 + 49 + 3 = 666.

It is not a de Polignac number, because 43748552493 - 2²⁶ = 43681443629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43748552443) 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 15 ways as a sum of consecutive naturals, for example, 81580 + ... + 306842.

It is an arithmetic number, because the mean of its divisors is an integer number (4051373040).

Almost surely, 2^43748552493 is an apocalyptic number.

It is an amenable number.

43748552493 is a deficient number, since it is larger than the sum of its proper divisors (21073416147).

43748552493 is a wasteful number, since it uses less digits than its factorization.

43748552493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232465 (or 232459 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 43748552493 in words is "forty-three billion, seven hundred forty-eight million, five hundred fifty-two thousand, four hundred ninety-three".