42902500105 has 4 divisors (see below), whose sum is σ = 51483000132. Its totient is φ = 34322000080.

The previous prime is 42902500103. The next prime is 42902500133. The reversal of 42902500105 is 50100520924.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8087045184 + 34815454921 = 89928^2 + 186589^2 .

It is not a de Polignac number, because 42902500105 - 2¹ = 42902500103 is a prime.

It is a super-2 number, since 2×42902500105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42902500103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4290250006 + ... + 4290250015.

It is an arithmetic number, because the mean of its divisors is an integer number (12870750033).

Almost surely, 2^42902500105 is an apocalyptic number.

It is an amenable number.

42902500105 is a deficient number, since it is larger than the sum of its proper divisors (8580500027).

42902500105 is an equidigital number, since it uses as much as digits as its factorization.

42902500105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8580500026.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 42902500105 in words is "forty-two billion, nine hundred two million, five hundred thousand, one hundred five".