210404451402205 has 8 divisors (see below), whose sum is σ = 252550465601112. Its totient is φ = 168280145176128.

The previous prime is 210404451402143. The next prime is 210404451402241. The reversal of 210404451402205 is 502204154404012.

It can be written as a sum of positive squares in 4 ways, for example, as 14117318319204 + 196287133083001 = 3757302^2 + 14010251^2 .

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 210404451402205 - 2⁷ = 210404451402077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5426971882 + ... + 5427010651.

It is an arithmetic number, because the mean of its divisors is an integer number (31568808200139).

Almost surely, 2^{210404451402205} is an apocalyptic number.

It is an amenable number.

210404451402205 is a deficient number, since it is larger than the sum of its proper divisors (42146014198907).

210404451402205 is a wasteful number, since it uses less digits than its factorization.

210404451402205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10853986415.

The product of its (nonzero) digits is 51200, while the sum is 34.

The spelling of 210404451402205 in words is "two hundred ten trillion, four hundred four billion, four hundred fifty-one million, four hundred two thousand, two hundred five".