43379066393 has 8 divisors (see below), whose sum is σ = 46718236488. Its totient is φ = 40040227584.

The previous prime is 43379066389. The next prime is 43379066431. The reversal of 43379066393 is 39366097334.

It can be written as a sum of positive squares in 4 ways, for example, as 1289671744 + 42089394649 = 35912^2 + 205157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43379066393 - 2² = 43379066389 is a prime.

It is a super-2 number, since 2×43379066393² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43379066323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234071 + ... + 376227.

It is an arithmetic number, because the mean of its divisors is an integer number (5839779561).

Almost surely, 2^43379066393 is an apocalyptic number.

It is an amenable number.

43379066393 is a deficient number, since it is larger than the sum of its proper divisors (3339170095).

43379066393 is a wasteful number, since it uses less digits than its factorization.

43379066393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165643.

The product of its (nonzero) digits is 6613488, while the sum is 53.

The spelling of 43379066393 in words is "forty-three billion, three hundred seventy-nine million, sixty-six thousand, three hundred ninety-three".