2148377385 has 48 divisors (see below), whose sum is σ = 4318086528. Its totient is φ = 892826880.

The previous prime is 2148377383. The next prime is 2148377411. The reversal of 2148377385 is 5837738412.

It is not a de Polignac number, because 2148377385 - 2¹ = 2148377383 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2148377383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71844 + ... + 97253.

It is an arithmetic number, because the mean of its divisors is an integer number (89960136).

Almost surely, 2^2148377385 is an apocalyptic number.

It is an amenable number.

2148377385 is an abundant number, since it is smaller than the sum of its proper divisors (2169709143).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2148377385 is a wasteful number, since it uses less digits than its factorization.

2148377385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169134 (or 169123 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 2148377385 is about 46350.5920674159. The cubic root of 2148377385 is about 1290.3381091984.

It can be divided in two parts, 214837 and 7385, that added together give a palindrome (222222).

The spelling of 2148377385 in words is "two billion, one hundred forty-eight million, three hundred seventy-seven thousand, three hundred eighty-five".