48617781409 has 8 divisors (see below), whose sum is σ = 52480964160. Its totient is φ = 44900379216.

The previous prime is 48617781383. The next prime is 48617781431. The reversal of 48617781409 is 90418771684.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48617781409 - 2¹⁷ = 48617650337 is a prime.

It is a super-4 number, since 4×48617781409⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48617781409.

It is not an unprimeable number, because it can be changed into a prime (48617781469) 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 in 7 ways as a sum of consecutive naturals, for example, 36444447 + ... + 36445780.

It is an arithmetic number, because the mean of its divisors is an integer number (6560120520).

Almost surely, 2^48617781409 is an apocalyptic number.

It is an amenable number.

48617781409 is a deficient number, since it is larger than the sum of its proper divisors (3863182751).

48617781409 is a wasteful number, since it uses less digits than its factorization.

48617781409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72890279.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 48617781409 in words is "forty-eight billion, six hundred seventeen million, seven hundred eighty-one thousand, four hundred nine".