42045311533 has 4 divisors (see below), whose sum is σ = 42051590848. Its totient is φ = 42039032220.

The previous prime is 42045311479. The next prime is 42045311617. The reversal of 42045311533 is 33511354024.

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 a de Polignac number, because none of the positive numbers 2^k-42045311533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42045311495 and 42045311504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42045314533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3129603 + ... + 3143008.

It is an arithmetic number, because the mean of its divisors is an integer number (10512897712).

Almost surely, 2^42045311533 is an apocalyptic number.

It is an amenable number.

42045311533 is a deficient number, since it is larger than the sum of its proper divisors (6279315).

42045311533 is an equidigital number, since it uses as much as digits as its factorization.

42045311533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279314.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 42045311533 its reverse (33511354024), we get a palindrome (75556665557).

The spelling of 42045311533 in words is "forty-two billion, forty-five million, three hundred eleven thousand, five hundred thirty-three".