49368886409 has 2 divisors, whose sum is σ = 49368886410. Its totient is φ = 49368886408.

The previous prime is 49368886373. The next prime is 49368886439. The reversal of 49368886409 is 90468886394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28309072009 + 21059814400 = 168253^2 + 145120^2 .

It is a cyclic number.

It is not a de Polignac number, because 49368886409 - 2²⁰ = 49367837833 is a prime.

It is not a weakly prime, because it can be changed into another prime (49368886439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24684443204 + 24684443205.

It is an arithmetic number, because the mean of its divisors is an integer number (24684443205).

Almost surely, 2^49368886409 is an apocalyptic number.

It is an amenable number.

49368886409 is a deficient number, since it is larger than the sum of its proper divisors (1).

49368886409 is an equidigital number, since it uses as much as digits as its factorization.

49368886409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71663616, while the sum is 65.

The spelling of 49368886409 in words is "forty-nine billion, three hundred sixty-eight million, eight hundred eighty-six thousand, four hundred nine".