43148948769 has 36 divisors (see below), whose sum is σ = 66243591804. Its totient is φ = 27059369472.

The previous prime is 43148948749. The next prime is 43148948771. The reversal of 43148948769 is 96784984134.

43148948769 is a `hidden beast` number, since 4 + 3 + 14 + 89 + 487 + 69 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 294980625 + 42853968144 = 17175^2 + 207012^2 .

It is not a de Polignac number, because 43148948769 - 2⁵ = 43148948737 is a prime.

It is a super-2 number, since 2×43148948769² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43148948749) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6959779 + ... + 6965975.

Almost surely, 2^43148948769 is an apocalyptic number.

It is an amenable number.

43148948769 is a deficient number, since it is larger than the sum of its proper divisors (23094643035).

43148948769 is a wasteful number, since it uses less digits than its factorization.

43148948769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8914 (or 8894 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 43148948769 in words is "forty-three billion, one hundred forty-eight million, nine hundred forty-eight thousand, seven hundred sixty-nine".