993434322103 has 2 divisors, whose sum is σ = 993434322104. Its totient is φ = 993434322102.

The previous prime is 993434321911. The next prime is 993434322109. The reversal of 993434322103 is 301223434399.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (301223434399) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-993434322103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 993434322103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (993434322109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496717161051 + 496717161052.

It is an arithmetic number, because the mean of its divisors is an integer number (496717161052).

Almost surely, 2^993434322103 is an apocalyptic number.

993434322103 is a deficient number, since it is larger than the sum of its proper divisors (1).

993434322103 is an equidigital number, since it uses as much as digits as its factorization.

993434322103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 43.

The spelling of 993434322103 in words is "nine hundred ninety-three billion, four hundred thirty-four million, three hundred twenty-two thousand, one hundred three".