103876645421 has 2 divisors, whose sum is σ = 103876645422. Its totient is φ = 103876645420.

The previous prime is 103876645363. The next prime is 103876645451. The reversal of 103876645421 is 124546678301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52647302500 + 51229342921 = 229450^2 + 226339^2 .

It is a cyclic number.

It is not a de Polignac number, because 103876645421 - 2¹⁰ = 103876644397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103876645451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51938322710 + 51938322711.

It is an arithmetic number, because the mean of its divisors is an integer number (51938322711).

Almost surely, 2^103876645421 is an apocalyptic number.

It is an amenable number.

103876645421 is a deficient number, since it is larger than the sum of its proper divisors (1).

103876645421 is an equidigital number, since it uses as much as digits as its factorization.

103876645421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 103876645421 in words is "one hundred three billion, eight hundred seventy-six million, six hundred forty-five thousand, four hundred twenty-one".