2148947052 has 24 divisors (see below), whose sum is σ = 5730525696. Its totient is φ = 613984848.

The previous prime is 2148947041. The next prime is 2148947069. The reversal of 2148947052 is 2507498412.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2148946995 and 2148947013.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12791268 + ... + 12791435.

It is an arithmetic number, because the mean of its divisors is an integer number (238771904).

Almost surely, 2^2148947052 is an apocalyptic number.

It is an amenable number.

2148947052 is an abundant number, since it is smaller than the sum of its proper divisors (3581578644).

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

2148947052 is a wasteful number, since it uses less digits than its factorization.

2148947052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25582717 (or 25582715 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 2148947052 is about 46356.7368566857. The cubic root of 2148947052 is about 1290.4521484549.

The spelling of 2148947052 in words is "two billion, one hundred forty-eight million, nine hundred forty-seven thousand, fifty-two".