43308244661013 has 20 divisors (see below), whose sum is σ = 68500622276460. Its totient is φ = 27173800570752.

The previous prime is 43308244660973. The next prime is 43308244661063. The reversal of 43308244661013 is 31016644280334.

43308244661013 is a `hidden beast` number, since 4 + 3 + 3 + 0 + 8 + 24 + 4 + 6 + 610 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11902789801764 + 31405454859249 = 3450042^2 + 5604057^2 .

It is not a de Polignac number, because 43308244661013 - 2¹⁰ = 43308244659989 is a prime.

It is a super-2 number, since 2×43308244661013² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43308244661013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43308244661063) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15725577658 + ... + 15725580411.

It is an arithmetic number, because the mean of its divisors is an integer number (3425031113823).

Almost surely, 2^{43308244661013} is an apocalyptic number.

It is an amenable number.

43308244661013 is a deficient number, since it is larger than the sum of its proper divisors (25192377615447).

43308244661013 is a wasteful number, since it uses less digits than its factorization.

43308244661013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31451158098 (or 31451158089 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 43308244661013 in words is "forty-three trillion, three hundred eight billion, two hundred forty-four million, six hundred sixty-one thousand, thirteen".