48646884865 has 4 divisors (see below), whose sum is σ = 58376261844. Its totient is φ = 38917507888.

The previous prime is 48646884863. The next prime is 48646884877. The reversal of 48646884865 is 56848864684.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29012990224 + 19633894641 = 170332^2 + 140121^2 .

It is a cyclic number.

It is not a de Polignac number, because 48646884865 - 2¹ = 48646884863 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 48646884865.

It is not an unprimeable number, because it can be changed into a prime (48646884863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4864688482 + ... + 4864688491.

It is an arithmetic number, because the mean of its divisors is an integer number (14594065461).

Almost surely, 2^48646884865 is an apocalyptic number.

It is an amenable number.

48646884865 is a deficient number, since it is larger than the sum of its proper divisors (9729376979).

48646884865 is an equidigital number, since it uses as much as digits as its factorization.

48646884865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9729376978.

The product of its digits is 283115520, while the sum is 67.

The spelling of 48646884865 in words is "forty-eight billion, six hundred forty-six million, eight hundred eighty-four thousand, eight hundred sixty-five".