384249571704431 has 4 divisors (see below), whose sum is σ = 384262082710032. Its totient is φ = 384237060698832.

The previous prime is 384249571704419. The next prime is 384249571704437. The reversal of 384249571704431 is 134407175942483.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 384249571704431 - 2⁶ = 384249571704367 is a prime.

It is a super-2 number, since 2×384249571704431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384249571704437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6255456731 + ... + 6255518156.

It is an arithmetic number, because the mean of its divisors is an integer number (96065520677508).

Almost surely, 2^{384249571704431} is an apocalyptic number.

384249571704431 is a deficient number, since it is larger than the sum of its proper divisors (12511005601).

384249571704431 is a wasteful number, since it uses less digits than its factorization.

384249571704431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12511005600.

The product of its (nonzero) digits is 81285120, while the sum is 62.

The spelling of 384249571704431 in words is "three hundred eighty-four trillion, two hundred forty-nine billion, five hundred seventy-one million, seven hundred four thousand, four hundred thirty-one".