43424246057 has 4 divisors (see below), whose sum is σ = 43715684100. Its totient is φ = 43132808016.

The previous prime is 43424246051. The next prime is 43424246059. The reversal of 43424246057 is 75064242434.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25248892201 + 18175353856 = 158899^2 + 134816^2 .

It is a cyclic number.

It is not a de Polignac number, because 43424246057 - 2¹⁶ = 43424180521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43424246051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145718798 + ... + 145719095.

It is an arithmetic number, because the mean of its divisors is an integer number (10928921025).

Almost surely, 2^43424246057 is an apocalyptic number.

It is an amenable number.

43424246057 is a deficient number, since it is larger than the sum of its proper divisors (291438043).

43424246057 is a wasteful number, since it uses less digits than its factorization.

43424246057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291438042.

The product of its (nonzero) digits is 645120, while the sum is 41.

The spelling of 43424246057 in words is "forty-three billion, four hundred twenty-four million, two hundred forty-six thousand, fifty-seven".