103841920493 has 2 divisors, whose sum is σ = 103841920494. Its totient is φ = 103841920492.

The previous prime is 103841920489. The next prime is 103841920499. The reversal of 103841920493 is 394029148301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90142856644 + 13699063849 = 300238^2 + 117043^2 .

It is a cyclic number.

It is not a de Polignac number, because 103841920493 - 2² = 103841920489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103841920499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51920960246 + 51920960247.

It is an arithmetic number, because the mean of its divisors is an integer number (51920960247).

Almost surely, 2^103841920493 is an apocalyptic number.

It is an amenable number.

103841920493 is a deficient number, since it is larger than the sum of its proper divisors (1).

103841920493 is an equidigital number, since it uses as much as digits as its factorization.

103841920493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 103841920493 in words is "one hundred three billion, eight hundred forty-one million, nine hundred twenty thousand, four hundred ninety-three".