48919436865 has 96 divisors (see below), whose sum is σ = 94806391680. Its totient is φ = 24055958016.

The previous prime is 48919436849. The next prime is 48919436869. The reversal of 48919436865 is 56863491984.

48919436865 is a `hidden beast` number, since 4 + 89 + 194 + 368 + 6 + 5 = 666.

It is not a de Polignac number, because 48919436865 - 2⁴ = 48919436849 is a prime.

It is a super-2 number, since 2×48919436865² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48919436869) 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 95 ways as a sum of consecutive naturals, for example, 25571149 + ... + 25573061.

It is an arithmetic number, because the mean of its divisors is an integer number (987566580).

Almost surely, 2^48919436865 is an apocalyptic number.

48919436865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

48919436865 is a deficient number, since it is larger than the sum of its proper divisors (45886954815).

48919436865 is a wasteful number, since it uses less digits than its factorization.

48919436865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565 (or 3553 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 48919436865 in words is "forty-eight billion, nine hundred nineteen million, four hundred thirty-six thousand, eight hundred sixty-five".