105924851209 has 2 divisors, whose sum is σ = 105924851210. Its totient is φ = 105924851208.

The previous prime is 105924851167. The next prime is 105924851261. The reversal of 105924851209 is 902158429501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93217249225 + 12707601984 = 305315^2 + 112728^2 .

It is a cyclic number.

It is not a de Polignac number, because 105924851209 - 2⁹ = 105924850697 is a prime.

It is a super-2 number, since 2×105924851209² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105924851299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52962425604 + 52962425605.

It is an arithmetic number, because the mean of its divisors is an integer number (52962425605).

Almost surely, 2^105924851209 is an apocalyptic number.

It is an amenable number.

105924851209 is a deficient number, since it is larger than the sum of its proper divisors (1).

105924851209 is an equidigital number, since it uses as much as digits as its factorization.

105924851209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 105924851209 in words is "one hundred five billion, nine hundred twenty-four million, eight hundred fifty-one thousand, two hundred nine".