48910187945 has 16 divisors (see below), whose sum is σ = 60890130000. Its totient is φ = 37670615808.

The previous prime is 48910187939. The next prime is 48910187947. The reversal of 48910187945 is 54978101984.

It can be written as a sum of positive squares in 8 ways, for example, as 1844187136 + 47066000809 = 42944^2 + 216947^2 .

It is not a de Polignac number, because 48910187945 - 2¹² = 48910183849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48910187947) 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 15 ways as a sum of consecutive naturals, for example, 432650 + ... + 533859.

It is an arithmetic number, because the mean of its divisors is an integer number (3805633125).

Almost surely, 2^48910187945 is an apocalyptic number.

It is an amenable number.

48910187945 is a deficient number, since it is larger than the sum of its proper divisors (11979942055).

48910187945 is a wasteful number, since it uses less digits than its factorization.

48910187945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966892.

The product of its (nonzero) digits is 2903040, while the sum is 56.

The spelling of 48910187945 in words is "forty-eight billion, nine hundred ten million, one hundred eighty-seven thousand, nine hundred forty-five".