42919558305 has 16 divisors (see below), whose sum is σ = 73953700800. Its totient is φ = 21129628608.

The previous prime is 42919558289. The next prime is 42919558307. The reversal of 42919558305 is 50385591924.

It is a happy number.

It is not a de Polignac number, because 42919558305 - 2⁴ = 42919558289 is a prime.

It is a super-4 number, since 4×42919558305⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42919558307) 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, 110049955 + ... + 110050344.

It is an arithmetic number, because the mean of its divisors is an integer number (4622106300).

Almost surely, 2^42919558305 is an apocalyptic number.

It is an amenable number.

42919558305 is a deficient number, since it is larger than the sum of its proper divisors (31034142495).

42919558305 is a wasteful number, since it uses less digits than its factorization.

42919558305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220100320.

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 42919558305 in words is "forty-two billion, nine hundred nineteen million, five hundred fifty-eight thousand, three hundred five".