993841343827 has 2 divisors, whose sum is σ = 993841343828. Its totient is φ = 993841343826.

The previous prime is 993841343821. The next prime is 993841343851. The reversal of 993841343827 is 728343148399.

It is a weak prime.

It is an emirp because it is prime and its reverse (728343148399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 993841343827 - 2³ = 993841343819 is a prime.

It is not a weakly prime, because it can be changed into another prime (993841343821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496920671913 + 496920671914.

It is an arithmetic number, because the mean of its divisors is an integer number (496920671914).

Almost surely, 2^993841343827 is an apocalyptic number.

993841343827 is a deficient number, since it is larger than the sum of its proper divisors (1).

993841343827 is an equidigital number, since it uses as much as digits as its factorization.

993841343827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 61.

The spelling of 993841343827 in words is "nine hundred ninety-three billion, eight hundred forty-one million, three hundred forty-three thousand, eight hundred twenty-seven".