42004223399969 has 8 divisors (see below), whose sum is σ = 42693128977512. Its totient is φ = 41315327879040.

The previous prime is 42004223399959. The next prime is 42004223399989. The reversal of 42004223399969 is 96999332240024.

It can be written as a sum of positive squares in 4 ways, for example, as 1779289210000 + 40224934189969 = 1333900^2 + 6342313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42004223399969 - 2²⁰ = 42004222351393 is a prime.

It is a super-2 number, since 2×42004223399969² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42004223399959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6150797 + ... + 11038149.

It is an arithmetic number, because the mean of its divisors is an integer number (5336641122189).

Almost surely, 2^{42004223399969} is an apocalyptic number.

It is an amenable number.

42004223399969 is a deficient number, since it is larger than the sum of its proper divisors (688905577543).

42004223399969 is a wasteful number, since it uses less digits than its factorization.

42004223399969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028307.

The product of its (nonzero) digits is 45349632, while the sum is 62.

The spelling of 42004223399969 in words is "forty-two trillion, four billion, two hundred twenty-three million, three hundred ninety-nine thousand, nine hundred sixty-nine".