48728356249 has 4 divisors (see below), whose sum is σ = 51594730164. Its totient is φ = 45861982336.

The previous prime is 48728356231. The next prime is 48728356331. The reversal of 48728356249 is 94265382784.

It is a happy number.

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 39186973849 + 9541382400 = 197957^2 + 97680^2 .

It is a cyclic number.

It is not a de Polignac number, because 48728356249 - 2⁹ = 48728355737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48728356193 and 48728356202.

It is not an unprimeable number, because it can be changed into a prime (48728351249) 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, 1433186932 + ... + 1433186965.

It is an arithmetic number, because the mean of its divisors is an integer number (12898682541).

Almost surely, 2^48728356249 is an apocalyptic number.

It is an amenable number.

48728356249 is a deficient number, since it is larger than the sum of its proper divisors (2866373915).

48728356249 is a wasteful number, since it uses less digits than its factorization.

48728356249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866373914.

The product of its digits is 23224320, while the sum is 58.

The spelling of 48728356249 in words is "forty-eight billion, seven hundred twenty-eight million, three hundred fifty-six thousand, two hundred forty-nine".