204129367716007 has 4 divisors (see below), whose sum is σ = 204130619369640. Its totient is φ = 204128116062376.

The previous prime is 204129367715993. The next prime is 204129367716011. The reversal of 204129367716007 is 700617763921402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204129367716007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204129367726007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625582153 + ... + 625908370.

It is an arithmetic number, because the mean of its divisors is an integer number (51032654842410).

Almost surely, 2^{204129367716007} is an apocalyptic number.

204129367716007 is a deficient number, since it is larger than the sum of its proper divisors (1251653633).

204129367716007 is a wasteful number, since it uses less digits than its factorization.

204129367716007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251653632.

The product of its (nonzero) digits is 5334336, while the sum is 55.

The spelling of 204129367716007 in words is "two hundred four trillion, one hundred twenty-nine billion, three hundred sixty-seven million, seven hundred sixteen thousand, seven".