48936878641 has 12 divisors (see below), whose sum is σ = 57566202660. Its totient is φ = 41474590080.

The previous prime is 48936878621. The next prime is 48936878647. The reversal of 48936878641 is 14687863984.

It can be written as a sum of positive squares in 2 ways, for example, as 28585003041 + 20351875600 = 169071^2 + 142660^2 .

It is not a de Polignac number, because 48936878641 - 2¹³ = 48936870449 is a prime.

It is a super-2 number, since 2×48936878641² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48936878647) 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 11 ways as a sum of consecutive naturals, for example, 5606380 + ... + 5615101.

It is an arithmetic number, because the mean of its divisors is an integer number (4797183555).

Almost surely, 2^48936878641 is an apocalyptic number.

It is an amenable number.

48936878641 is a deficient number, since it is larger than the sum of its proper divisors (8629324019).

48936878641 is a wasteful number, since it uses less digits than its factorization.

48936878641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11221584 (or 11221577 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 64.

The spelling of 48936878641 in words is "forty-eight billion, nine hundred thirty-six million, eight hundred seventy-eight thousand, six hundred forty-one".