204210429019 has 2 divisors, whose sum is σ = 204210429020. Its totient is φ = 204210429018.

The previous prime is 204210428993. The next prime is 204210429053. The reversal of 204210429019 is 910924012402.

It is a happy number.

It is an a-pointer prime, because the next prime (204210429053) can be obtained adding 204210429019 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204210429019 - 2²⁷ = 204076211291 is a prime.

It is a super-2 number, since 2×204210429019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (204210429079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102105214509 + 102105214510.

It is an arithmetic number, because the mean of its divisors is an integer number (102105214510).

Almost surely, 2^204210429019 is an apocalyptic number.

204210429019 is a deficient number, since it is larger than the sum of its proper divisors (1).

204210429019 is an equidigital number, since it uses as much as digits as its factorization.

204210429019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 204210429019 in words is "two hundred four billion, two hundred ten million, four hundred twenty-nine thousand, nineteen".