42190931075 has 12 divisors (see below), whose sum is σ = 55394211240. Its totient is φ = 31767288960.

The previous prime is 42190931051. The next prime is 42190931077. The reversal of 42190931075 is 57013909124.

It is not a de Polignac number, because 42190931075 - 2⁸ = 42190930819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42190931077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49635965 + ... + 49636814.

It is an arithmetic number, because the mean of its divisors is an integer number (4616184270).

Almost surely, 2^42190931075 is an apocalyptic number.

42190931075 is a deficient number, since it is larger than the sum of its proper divisors (13203280165).

42190931075 is a wasteful number, since it uses less digits than its factorization.

42190931075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99272806 (or 99272801 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 42190931075 in words is "forty-two billion, one hundred ninety million, nine hundred thirty-one thousand, seventy-five".