10123936549 has 2 divisors, whose sum is σ = 10123936550. Its totient is φ = 10123936548.

The previous prime is 10123936517. The next prime is 10123936561. The reversal of 10123936549 is 94563932101.

It is a happy number.

10123936549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6040087524 + 4083849025 = 77718^2 + 63905^2 .

It is a cyclic number.

It is not a de Polignac number, because 10123936549 - 2⁵ = 10123936517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10123936349) 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, 5061968274 + 5061968275.

It is an arithmetic number, because the mean of its divisors is an integer number (5061968275).

Almost surely, 2^10123936549 is an apocalyptic number.

It is an amenable number.

10123936549 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123936549 is an equidigital number, since it uses as much as digits as its factorization.

10123936549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 10123936549 in words is "ten billion, one hundred twenty-three million, nine hundred thirty-six thousand, five hundred forty-nine".