203021050079 has 2 divisors, whose sum is σ = 203021050080. Its totient is φ = 203021050078.

The previous prime is 203021050009. The next prime is 203021050091. The reversal of 203021050079 is 970050120302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203021050079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203021050009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101510525039 + 101510525040.

It is an arithmetic number, because the mean of its divisors is an integer number (101510525040).

Almost surely, 2^203021050079 is an apocalyptic number.

203021050079 is a deficient number, since it is larger than the sum of its proper divisors (1).

203021050079 is an equidigital number, since it uses as much as digits as its factorization.

203021050079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The spelling of 203021050079 in words is "two hundred three billion, twenty-one million, fifty thousand, seventy-nine".