48118439749 has 4 divisors (see below), whose sum is σ = 48120963436. Its totient is φ = 48115916064.

The previous prime is 48118439737. The next prime is 48118439753. The reversal of 48118439749 is 94793481184.

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 45143500900 + 2974938849 = 212470^2 + 54543^2 .

It is a cyclic number.

It is not a de Polignac number, because 48118439749 - 2¹⁷ = 48118308677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48118439693 and 48118439702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48118439849) 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, 1233024 + ... + 1271449.

It is an arithmetic number, because the mean of its divisors is an integer number (12030240859).

Almost surely, 2^48118439749 is an apocalyptic number.

It is an amenable number.

48118439749 is a deficient number, since it is larger than the sum of its proper divisors (2523687).

48118439749 is a wasteful number, since it uses less digits than its factorization.

48118439749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523686.

The product of its digits is 6967296, while the sum is 58.

The spelling of 48118439749 in words is "forty-eight billion, one hundred eighteen million, four hundred thirty-nine thousand, seven hundred forty-nine".