10500049979 has 2 divisors, whose sum is σ = 10500049980. Its totient is φ = 10500049978.

The previous prime is 10500049969. The next prime is 10500050027. The reversal of 10500049979 is 97994000501.

10500049979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (97994000501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10500049979 is a prime.

It is a super-2 number, since 2×10500049979² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10500049969) 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, 5250024989 + 5250024990.

It is an arithmetic number, because the mean of its divisors is an integer number (5250024990).

Almost surely, 2^10500049979 is an apocalyptic number.

10500049979 is a deficient number, since it is larger than the sum of its proper divisors (1).

10500049979 is an equidigital number, since it uses as much as digits as its factorization.

10500049979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 44.

The spelling of 10500049979 in words is "ten billion, five hundred million, forty-nine thousand, nine hundred seventy-nine".