42351544033 has 4 divisors (see below), whose sum is σ = 42353160388. Its totient is φ = 42349927680.

The previous prime is 42351544031. The next prime is 42351544051. The reversal of 42351544033 is 33044515324.

It is a happy number.

42351544033 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 can be written as a sum of positive squares in 2 ways, for example, as 12790931409 + 29560612624 = 113097^2 + 171932^2 .

It is a cyclic number.

It is not a de Polignac number, because 42351544033 - 2¹ = 42351544031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42351544033.

It is not an unprimeable number, because it can be changed into a prime (42351544031) 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, 768216 + ... + 821497.

It is an arithmetic number, because the mean of its divisors is an integer number (10588290097).

Almost surely, 2^42351544033 is an apocalyptic number.

It is an amenable number.

42351544033 is a deficient number, since it is larger than the sum of its proper divisors (1616355).

42351544033 is a wasteful number, since it uses less digits than its factorization.

42351544033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616354.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 42351544033 in words is "forty-two billion, three hundred fifty-one million, five hundred forty-four thousand, thirty-three".