204106487403 has 16 divisors (see below), whose sum is σ = 334943979776. Its totient is φ = 107660564640.

The previous prime is 204106487401. The next prime is 204106487447. The reversal of 204106487403 is 304784601402.

It is not a de Polignac number, because 204106487403 - 2¹ = 204106487401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (204106487401) 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, 373821133 + ... + 373821678.

It is an arithmetic number, because the mean of its divisors is an integer number (20933998736).

Almost surely, 2^204106487403 is an apocalyptic number.

204106487403 is a deficient number, since it is larger than the sum of its proper divisors (130837492373).

204106487403 is a wasteful number, since it uses less digits than its factorization.

204106487403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747642834.

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 204106487403 in words is "two hundred four billion, one hundred six million, four hundred eighty-seven thousand, four hundred three".