42665400564103 has 4 divisors (see below), whose sum is σ = 44136621273240. Its totient is φ = 41194179854968.

The previous prime is 42665400564097. The next prime is 42665400564107. The reversal of 42665400564103 is 30146500456624.

42665400564103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42665400564103 is a prime.

It is a super-2 number, since 2×42665400564103² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42665400564107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735610354525 + ... + 735610354582.

It is an arithmetic number, because the mean of its divisors is an integer number (11034155318310).

Almost surely, 2^{42665400564103} is an apocalyptic number.

42665400564103 is a deficient number, since it is larger than the sum of its proper divisors (1471220709137).

42665400564103 is a wasteful number, since it uses less digits than its factorization.

42665400564103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471220709136.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 42665400564103 in words is "forty-two trillion, six hundred sixty-five billion, four hundred million, five hundred sixty-four thousand, one hundred three".