48744218731 has 4 divisors (see below), whose sum is σ = 52493774032. Its totient is φ = 44994663432.

The previous prime is 48744218693. The next prime is 48744218753. The reversal of 48744218731 is 13781244784.

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

It is a cyclic number.

It is not a de Polignac number, because 48744218731 - 2¹⁷ = 48744087659 is a prime.

It is a super-2 number, since 2×48744218731² (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 (48744218431) 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 3 ways as a sum of consecutive naturals, for example, 1874777631 + ... + 1874777656.

It is an arithmetic number, because the mean of its divisors is an integer number (13123443508).

Almost surely, 2^48744218731 is an apocalyptic number.

48744218731 is a deficient number, since it is larger than the sum of its proper divisors (3749555301).

48744218731 is a wasteful number, since it uses less digits than its factorization.

48744218731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749555300.

The product of its digits is 1204224, while the sum is 49.

The spelling of 48744218731 in words is "forty-eight billion, seven hundred forty-four million, two hundred eighteen thousand, seven hundred thirty-one".