103494992893 has 2 divisors, whose sum is σ = 103494992894. Its totient is φ = 103494992892.

The previous prime is 103494992873. The next prime is 103494992981. The reversal of 103494992893 is 398299494301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60379792729 + 43115200164 = 245723^2 + 207642^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103494992893 is a prime.

It is a super-2 number, since 2×103494992893² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103494992813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51747496446 + 51747496447.

It is an arithmetic number, because the mean of its divisors is an integer number (51747496447).

Almost surely, 2^103494992893 is an apocalyptic number.

It is an amenable number.

103494992893 is a deficient number, since it is larger than the sum of its proper divisors (1).

103494992893 is an equidigital number, since it uses as much as digits as its factorization.

103494992893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15116544, while the sum is 61.

The spelling of 103494992893 in words is "one hundred three billion, four hundred ninety-four million, nine hundred ninety-two thousand, eight hundred ninety-three".