204021430001439 has 8 divisors (see below), whose sum is σ = 272038317637680. Its totient is φ = 136009414516416.

The previous prime is 204021430001437. The next prime is 204021430001447. The reversal of 204021430001439 is 934100034120402.

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

It is not a de Polignac number, because 204021430001439 - 2¹ = 204021430001437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204021430001437) 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, 1217940094 + ... + 1218107595.

It is an arithmetic number, because the mean of its divisors is an integer number (34004789704710).

Almost surely, 2^{204021430001439} is an apocalyptic number.

204021430001439 is a deficient number, since it is larger than the sum of its proper divisors (68016887636241).

204021430001439 is a wasteful number, since it uses less digits than its factorization.

204021430001439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436075609.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 204021430001439 in words is "two hundred four trillion, twenty-one billion, four hundred thirty million, one thousand, four hundred thirty-nine".