42094330780321 has 16 divisors (see below), whose sum is σ = 42822147574528. Its totient is φ = 41373364032000.

The previous prime is 42094330780277. The next prime is 42094330780351. The reversal of 42094330780321 is 12308703349024.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42094330780321 - 2²³ = 42094322391713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42094330780351) 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 15 ways as a sum of consecutive naturals, for example, 7255171 + ... + 11697271.

It is an arithmetic number, because the mean of its divisors is an integer number (2676384223408).

Almost surely, 2^{42094330780321} is an apocalyptic number.

It is an amenable number.

42094330780321 is a deficient number, since it is larger than the sum of its proper divisors (727816794207).

42094330780321 is a wasteful number, since it uses less digits than its factorization.

42094330780321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442872.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 42094330780321 in words is "forty-two trillion, ninety-four billion, three hundred thirty million, seven hundred eighty thousand, three hundred twenty-one".