43798731393 has 32 divisors (see below), whose sum is σ = 60783923200. Its totient is φ = 28022500800.

The previous prime is 43798731377. The next prime is 43798731413. The reversal of 43798731393 is 39313789734.

It is not a de Polignac number, because 43798731393 - 2⁴ = 43798731377 is a prime.

It is a super-3 number, since 3×43798731393³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43798731313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18471498 + ... + 18473868.

It is an arithmetic number, because the mean of its divisors is an integer number (1899497600).

Almost surely, 2^43798731393 is an apocalyptic number.

It is an amenable number.

43798731393 is a deficient number, since it is larger than the sum of its proper divisors (16985191807).

43798731393 is a wasteful number, since it uses less digits than its factorization.

43798731393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973.

The product of its digits is 10287648, while the sum is 57.

The spelling of 43798731393 in words is "forty-three billion, seven hundred ninety-eight million, seven hundred thirty-one thousand, three hundred ninety-three".