48591781684 has 6 divisors (see below), whose sum is σ = 85035617954. Its totient is φ = 24295890840.

The previous prime is 48591781673. The next prime is 48591781697. The reversal of 48591781684 is 48618719584.

It can be written as a sum of positive squares in only one way, i.e., 47973264784 + 618516900 = 219028^2 + 24870^2 .

It is a super-2 number, since 2×48591781684² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073972707 + ... + 6073972714.

Almost surely, 2^48591781684 is an apocalyptic number.

It is an amenable number.

48591781684 is a deficient number, since it is larger than the sum of its proper divisors (36443836270).

48591781684 is a wasteful number, since it uses less digits than its factorization.

48591781684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12147945425 (or 12147945423 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 61.

The spelling of 48591781684 in words is "forty-eight billion, five hundred ninety-one million, seven hundred eighty-one thousand, six hundred eighty-four".