43478482657 has 8 divisors (see below), whose sum is σ = 43735701096. Its totient is φ = 43221332352.

The previous prime is 43478482631. The next prime is 43478482661. The reversal of 43478482657 is 75628487434.

It can be written as a sum of positive squares in 4 ways, for example, as 12331880401 + 31146602256 = 111049^2 + 176484^2 .

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 43478482657 - 2³¹ = 41330999009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43478482627) 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, 1884093 + ... + 1907029.

It is an arithmetic number, because the mean of its divisors is an integer number (5466962637).

Almost surely, 2^43478482657 is an apocalyptic number.

It is an amenable number.

43478482657 is a deficient number, since it is larger than the sum of its proper divisors (257218439).

43478482657 is a wasteful number, since it uses less digits than its factorization.

43478482657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34067.

The product of its digits is 36126720, while the sum is 58.

The spelling of 43478482657 in words is "forty-three billion, four hundred seventy-eight million, four hundred eighty-two thousand, six hundred fifty-seven".