43475735149 has 24 divisors (see below), whose sum is σ = 57073917600. Its totient is φ = 32709005280.

The previous prime is 43475735137. The next prime is 43475735183. The reversal of 43475735149 is 94153757434.

It is not a de Polignac number, because 43475735149 - 2⁹ = 43475734637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43475735096 and 43475735105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43475735129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1375059 + ... + 1406320.

It is an arithmetic number, because the mean of its divisors is an integer number (2378079900).

Almost surely, 2^43475735149 is an apocalyptic number.

43475735149 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

43475735149 is a deficient number, since it is larger than the sum of its proper divisors (13598182451).

43475735149 is a wasteful number, since it uses less digits than its factorization.

43475735149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781433 (or 2781426 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 52.

The spelling of 43475735149 in words is "forty-three billion, four hundred seventy-five million, seven hundred thirty-five thousand, one hundred forty-nine".