203349129979 has 2 divisors, whose sum is σ = 203349129980. Its totient is φ = 203349129978.

The previous prime is 203349129941. The next prime is 203349130001. The reversal of 203349129979 is 979921943302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203349129979 - 2¹¹ = 203349127931 is a prime.

It is not a weakly prime, because it can be changed into another prime (203349127979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101674564989 + 101674564990.

It is an arithmetic number, because the mean of its divisors is an integer number (101674564990).

Almost surely, 2^203349129979 is an apocalyptic number.

203349129979 is a deficient number, since it is larger than the sum of its proper divisors (1).

203349129979 is an equidigital number, since it uses as much as digits as its factorization.

203349129979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6613488, while the sum is 58.

The spelling of 203349129979 in words is "two hundred three billion, three hundred forty-nine million, one hundred twenty-nine thousand, nine hundred seventy-nine".