48307281949 has 12 divisors (see below), whose sum is σ = 49552480660. Its totient is φ = 47092665600.

The previous prime is 48307281941. The next prime is 48307282073. The reversal of 48307281949 is 94918270384.

It can be written as a sum of positive squares in 6 ways, for example, as 20848472100 + 27458809849 = 144390^2 + 165707^2 .

It is not a de Polignac number, because 48307281949 - 2³ = 48307281941 is a prime.

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 48307281949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48307281941) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 2311057 + ... + 2331865.

Almost surely, 2^48307281949 is an apocalyptic number.

It is an amenable number.

48307281949 is a deficient number, since it is larger than the sum of its proper divisors (1245198711).

48307281949 is a wasteful number, since it uses less digits than its factorization.

48307281949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22272 (or 22231 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 48307281949 in words is "forty-eight billion, three hundred seven million, two hundred eighty-one thousand, nine hundred forty-nine".