42112375369 has 3 divisors (see below), whose sum is σ = 42112580583. Its totient is φ = 42112170156.

The previous prime is 42112375321. The next prime is 42112375451. The reversal of 42112375369 is 96357321124.

The square root of 42112375369 is 205213.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 42109092025 + 3283344 = 205205^2 + 1812^2 .

It is a de Polignac number, because none of the positive numbers 2^k-42112375369 is a prime.

It is a super-2 number, since 2×42112375369² (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 (42112375309) 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 2 ways as a sum of consecutive naturals, for example, 102607 + ... + 307819.

It is an arithmetic number, because the mean of its divisors is an integer number (14037526861).

Almost surely, 2^42112375369 is an apocalyptic number.

42112375369 is the 205213-rd square number.

42112375369 is the 102607-th centered octagonal number.

It is an amenable number.

42112375369 is a deficient number, since it is larger than the sum of its proper divisors (205214).

42112375369 is an frugal number, since it uses more digits than its factorization.

42112375369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410426 (or 205213 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The spelling of 42112375369 in words is "forty-two billion, one hundred twelve million, three hundred seventy-five thousand, three hundred sixty-nine".