42101433653 has 4 divisors (see below), whose sum is σ = 43459544448. Its totient is φ = 40743322860.

The previous prime is 42101433641. The next prime is 42101433677. The reversal of 42101433653 is 35633410124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42101433653 - 2¹⁸ = 42101171509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42101435653) 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 3 ways as a sum of consecutive naturals, for example, 679055351 + ... + 679055412.

It is an arithmetic number, because the mean of its divisors is an integer number (10864886112).

Almost surely, 2^42101433653 is an apocalyptic number.

It is an amenable number.

42101433653 is a deficient number, since it is larger than the sum of its proper divisors (1358110795).

42101433653 is a wasteful number, since it uses less digits than its factorization.

42101433653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358110794.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 42101433653 its reverse (35633410124), we get a palindrome (77734843777).

The spelling of 42101433653 in words is "forty-two billion, one hundred one million, four hundred thirty-three thousand, six hundred fifty-three".