43132747649 has 8 divisors (see below), whose sum is σ = 43237369152. Its totient is φ = 43028238960.

The previous prime is 43132747547. The next prime is 43132747657. The reversal of 43132747649 is 94674723134.

43132747649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 43132747649 - 2¹⁶ = 43132682113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43132747597 and 43132747606.

It is not an unprimeable number, because it can be changed into a prime (43131747649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764132 + ... + 818634.

It is an arithmetic number, because the mean of its divisors is an integer number (5404671144).

Almost surely, 2^43132747649 is an apocalyptic number.

It is an amenable number.

43132747649 is a deficient number, since it is larger than the sum of its proper divisors (104621503).

43132747649 is a wasteful number, since it uses less digits than its factorization.

43132747649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56407.

The product of its digits is 3048192, while the sum is 50.

The spelling of 43132747649 in words is "forty-three billion, one hundred thirty-two million, seven hundred forty-seven thousand, six hundred forty-nine".