42947590305 has 16 divisors (see below), whose sum is σ = 71703803520. Its totient is φ = 21909495168.

The previous prime is 42947590243. The next prime is 42947590307. The reversal of 42947590305 is 50309574924.

It is not a de Polignac number, because 42947590305 - 2⁹ = 42947589793 is a prime.

It is a super-2 number, since 2×42947590305² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42947590307) 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 15 ways as a sum of consecutive naturals, for example, 62242540 + ... + 62243229.

It is an arithmetic number, because the mean of its divisors is an integer number (4481487720).

Almost surely, 2^42947590305 is an apocalyptic number.

It is an amenable number.

42947590305 is a deficient number, since it is larger than the sum of its proper divisors (28756213215).

42947590305 is a wasteful number, since it uses less digits than its factorization.

42947590305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124485800.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 42947590305 in words is "forty-two billion, nine hundred forty-seven million, five hundred ninety thousand, three hundred five".