203210129939 has 2 divisors, whose sum is σ = 203210129940. Its totient is φ = 203210129938.

The previous prime is 203210129891. The next prime is 203210130059. The reversal of 203210129939 is 939921012302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203210129939 - 2¹⁶ = 203210064403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203210129896 and 203210129905.

It is not a weakly prime, because it can be changed into another prime (203210125939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101605064969 + 101605064970.

It is an arithmetic number, because the mean of its divisors is an integer number (101605064970).

Almost surely, 2^203210129939 is an apocalyptic number.

203210129939 is a deficient number, since it is larger than the sum of its proper divisors (1).

203210129939 is an equidigital number, since it uses as much as digits as its factorization.

203210129939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 203210129939 in words is "two hundred three billion, two hundred ten million, one hundred twenty-nine thousand, nine hundred thirty-nine".