2148276564 has 144 divisors (see below), whose sum is σ = 6543753216. Its totient is φ = 581256000.

The previous prime is 2148276523. The next prime is 2148276577. The reversal of 2148276564 is 4656728412.

2148276564 is a `hidden beast` number, since 2 + 1 + 4 + 82 + 7 + 6 + 564 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 364239 + ... + 370089.

Almost surely, 2^2148276564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2148276564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3271876608).

2148276564 is an abundant number, since it is smaller than the sum of its proper divisors (4395476652).

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

2148276564 is a wasteful number, since it uses less digits than its factorization.

2148276564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5946 (or 5941 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 2148276564 is about 46349.5044633705. The cubic root of 2148276564 is about 1290.3179241641.

The spelling of 2148276564 in words is "two billion, one hundred forty-eight million, two hundred seventy-six thousand, five hundred sixty-four".