43420351075 has 6 divisors (see below), whose sum is σ = 53841235364. Its totient is φ = 34736280840.

The previous prime is 43420351043. The next prime is 43420351087. The reversal of 43420351075 is 57015302434.

43420351075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43420351075 - 2⁵ = 43420351043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43420351075.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 868406997 + ... + 868407046.

Almost surely, 2^43420351075 is an apocalyptic number.

43420351075 is a deficient number, since it is larger than the sum of its proper divisors (10420884289).

43420351075 is a wasteful number, since it uses less digits than its factorization.

43420351075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736814053 (or 1736814048 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 43420351075 in words is "forty-three billion, four hundred twenty million, three hundred fifty-one thousand, seventy-five".