49438346181617 has 4 divisors (see below), whose sum is σ = 49438422458880. Its totient is φ = 49438269904356.

The previous prime is 49438346181599. The next prime is 49438346181641. The reversal of 49438346181617 is 71618164383494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49438346181617 - 2³⁴ = 49421166312433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49438346180617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37158017 + ... + 38465502.

It is an arithmetic number, because the mean of its divisors is an integer number (12359605614720).

Almost surely, 2^{49438346181617} is an apocalyptic number.

It is an amenable number.

49438346181617 is a deficient number, since it is larger than the sum of its proper divisors (76277263).

49438346181617 is an equidigital number, since it uses as much as digits as its factorization.

49438346181617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76277262.

The product of its digits is 83607552, while the sum is 65.

The spelling of 49438346181617 in words is "forty-nine trillion, four hundred thirty-eight billion, three hundred forty-six million, one hundred eighty-one thousand, six hundred seventeen".