204245259097 has 8 divisors (see below), whose sum is σ = 224784807840. Its totient is φ = 184034343360.

The previous prime is 204245259083. The next prime is 204245259193. The reversal of 204245259097 is 790952542402.

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 204245259097 - 2⁷ = 204245258969 is a prime.

It is a super-2 number, since 2×204245259097² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204245259097.

It is not an unprimeable number, because it can be changed into a prime (204245259007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82156947 + ... + 82159432.

It is an arithmetic number, because the mean of its divisors is an integer number (28098100980).

Almost surely, 2^204245259097 is an apocalyptic number.

It is an amenable number.

204245259097 is a deficient number, since it is larger than the sum of its proper divisors (20539548743).

204245259097 is a wasteful number, since it uses less digits than its factorization.

204245259097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164316503.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 204245259097 in words is "two hundred four billion, two hundred forty-five million, two hundred fifty-nine thousand, ninety-seven".