49106108609 has 2 divisors, whose sum is σ = 49106108610. Its totient is φ = 49106108608.

The previous prime is 49106108599. The next prime is 49106108641. The reversal of 49106108609 is 90680160194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45698467984 + 3407640625 = 213772^2 + 58375^2 .

It is a cyclic number.

It is not a de Polignac number, because 49106108609 - 2¹² = 49106104513 is a prime.

It is a super-2 number, since 2×49106108609² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49106108609.

It is not a weakly prime, because it can be changed into another prime (49106108509) 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, 24553054304 + 24553054305.

It is an arithmetic number, because the mean of its divisors is an integer number (24553054305).

Almost surely, 2^49106108609 is an apocalyptic number.

It is an amenable number.

49106108609 is a deficient number, since it is larger than the sum of its proper divisors (1).

49106108609 is an equidigital number, since it uses as much as digits as its factorization.

49106108609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 49106108609 in words is "forty-nine billion, one hundred six million, one hundred eight thousand, six hundred nine".