2148947053 has 12 divisors (see below), whose sum is σ = 2363754204. Its totient is φ = 1952192000.

The previous prime is 2148947041. The next prime is 2148947069. The reversal of 2148947053 is 3507498412.

It can be written as a sum of positive squares in 2 ways, for example, as 2032026084 + 116920969 = 45078^2 + 10813^2 .

It is not a de Polignac number, because 2148947053 - 2¹³ = 2148938861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148947023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188175 + ... + 199267.

It is an arithmetic number, because the mean of its divisors is an integer number (196979517).

Almost surely, 2^2148947053 is an apocalyptic number.

It is an amenable number.

2148947053 is a deficient number, since it is larger than the sum of its proper divisors (214807151).

2148947053 is a wasteful number, since it uses less digits than its factorization.

2148947053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12716 (or 12705 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2148947053 is about 46356.7368674716. The cubic root of 2148947053 is about 1290.4521486551.

The spelling of 2148947053 in words is "two billion, one hundred forty-eight million, nine hundred forty-seven thousand, fifty-three".