204010414391 has 16 divisors (see below), whose sum is σ = 243332895744. Its totient is φ = 167235028224.

The previous prime is 204010414369. The next prime is 204010414451. The reversal of 204010414391 is 193414010402.

It is a cyclic number.

It is not a de Polignac number, because 204010414391 - 2²² = 204006220087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204010414691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 880550 + ... + 1087836.

It is an arithmetic number, because the mean of its divisors is an integer number (15208305984).

Almost surely, 2^204010414391 is an apocalyptic number.

204010414391 is a deficient number, since it is larger than the sum of its proper divisors (39322481353).

204010414391 is a wasteful number, since it uses less digits than its factorization.

204010414391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213430.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 204010414391 its reverse (193414010402), we get a palindrome (397424424793).

The spelling of 204010414391 in words is "two hundred four billion, ten million, four hundred fourteen thousand, three hundred ninety-one".