204028492680013 has 2 divisors, whose sum is σ = 204028492680014. Its totient is φ = 204028492680012.

The previous prime is 204028492679971. The next prime is 204028492680043. The reversal of 204028492680013 is 310086294820402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194156718284169 + 9871774395844 = 13934013^2 + 3141938^2 .

It is a cyclic number.

It is not a de Polignac number, because 204028492680013 - 2³⁷ = 203891053726541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204028492680043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102014246340006 + 102014246340007.

It is an arithmetic number, because the mean of its divisors is an integer number (102014246340007).

Almost surely, 2^{204028492680013} is an apocalyptic number.

It is an amenable number.

204028492680013 is a deficient number, since it is larger than the sum of its proper divisors (1).

204028492680013 is an equidigital number, since it uses as much as digits as its factorization.

204028492680013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 204028492680013 in words is "two hundred four trillion, twenty-eight billion, four hundred ninety-two million, six hundred eighty thousand, thirteen".