204138471415 has 8 divisors (see below), whose sum is σ = 253413275040. Its totient is φ = 157679370912.

The previous prime is 204138471413. The next prime is 204138471431. The reversal of 204138471415 is 514174831402.

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 204138471415 - 2¹ = 204138471413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204138471413) 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, 703925619 + ... + 703925908.

It is an arithmetic number, because the mean of its divisors is an integer number (31676659380).

Almost surely, 2^204138471415 is an apocalyptic number.

204138471415 is a deficient number, since it is larger than the sum of its proper divisors (49274803625).

204138471415 is a wasteful number, since it uses less digits than its factorization.

204138471415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407851561.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 204138471415 in words is "two hundred four billion, one hundred thirty-eight million, four hundred seventy-one thousand, four hundred fifteen".