204286961245 has 8 divisors (see below), whose sum is σ = 247393384920. Its totient is φ = 161930214720.

The previous prime is 204286961231. The next prime is 204286961257. The reversal of 204286961245 is 542169682402.

It can be written as a sum of positive squares in 4 ways, for example, as 44921530809 + 159365430436 = 211947^2 + 399206^2 .

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

It is not a de Polignac number, because 204286961245 - 2⁷ = 204286961117 is a prime.

It is a super-2 number, since 2×204286961245² (a number of 23 digits) contains 22 as substring.

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, 187418686 + ... + 187419775.

It is an arithmetic number, because the mean of its divisors is an integer number (30924173115).

Almost surely, 2^204286961245 is an apocalyptic number.

It is an amenable number.

204286961245 is a deficient number, since it is larger than the sum of its proper divisors (43106423675).

204286961245 is a wasteful number, since it uses less digits than its factorization.

204286961245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374838575.

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 204286961245 in words is "two hundred four billion, two hundred eighty-six million, nine hundred sixty-one thousand, two hundred forty-five".