211434353304245 has 8 divisors (see below), whose sum is σ = 259909546501080. Its totient is φ = 165021934286080.

The previous prime is 211434353304221. The next prime is 211434353304253. The reversal of 211434353304245 is 542403353434112.

It can be written as a sum of positive squares in 4 ways, for example, as 23187364486276 + 188246988817969 = 4815326^2 + 13720313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211434353304245 - 2²⁰ = 211434352255669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211434353304196 and 211434353304205.

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, 515693544440 + ... + 515693544849.

It is an arithmetic number, because the mean of its divisors is an integer number (32488693312635).

Almost surely, 2^{211434353304245} is an apocalyptic number.

It is an amenable number.

211434353304245 is a deficient number, since it is larger than the sum of its proper divisors (48475193196835).

211434353304245 is a wasteful number, since it uses less digits than its factorization.

211434353304245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031387089335.

The product of its (nonzero) digits is 2073600, while the sum is 44.

The spelling of 211434353304245 in words is "two hundred eleven trillion, four hundred thirty-four billion, three hundred fifty-three million, three hundred four thousand, two hundred forty-five".