42033033412321 has 4 divisors (see below), whose sum is σ = 48037752471232. Its totient is φ = 36028314353412.

The previous prime is 42033033412309. The next prime is 42033033412333. The reversal of 42033033412321 is 12321433033024.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (42033033412309) and next prime (42033033412333).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42033033412321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42033033412301) 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, 3002359529445 + ... + 3002359529458.

It is an arithmetic number, because the mean of its divisors is an integer number (12009438117808).

Almost surely, 2^{42033033412321} is an apocalyptic number.

It is an amenable number.

42033033412321 is a deficient number, since it is larger than the sum of its proper divisors (6004719058911).

42033033412321 is an equidigital number, since it uses as much as digits as its factorization.

42033033412321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004719058910.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 42033033412321 its reverse (12321433033024), we get a palindrome (54354466445345).

The spelling of 42033033412321 in words is "forty-two trillion, thirty-three billion, thirty-three million, four hundred twelve thousand, three hundred twenty-one".