43628914657 has 16 divisors (see below), whose sum is σ = 46002816000. Its totient is φ = 41313598144.

The previous prime is 43628914621. The next prime is 43628914669. The reversal of 43628914657 is 75641982634.

43628914657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 43628914657 - 2¹⁹ = 43628390369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43628914598 and 43628914607.

It is not an unprimeable number, because it can be changed into a prime (43628914607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6265944 + ... + 6272902.

It is an arithmetic number, because the mean of its divisors is an integer number (2875176000).

Almost surely, 2^43628914657 is an apocalyptic number.

It is an amenable number.

43628914657 is a deficient number, since it is larger than the sum of its proper divisors (2373901343).

43628914657 is a wasteful number, since it uses less digits than its factorization.

43628914657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11120.

The product of its digits is 8709120, while the sum is 55.

The spelling of 43628914657 in words is "forty-three billion, six hundred twenty-eight million, nine hundred fourteen thousand, six hundred fifty-seven".