2148547937 has 2 divisors, whose sum is σ = 2148547938. Its totient is φ = 2148547936.

The previous prime is 2148547927. The next prime is 2148547939. The reversal of 2148547937 is 7397458412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1339486801 + 809061136 = 36599^2 + 28444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2148547937 is a prime.

Together with 2148547939, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2148547939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074273968 + 1074273969.

It is an arithmetic number, because the mean of its divisors is an integer number (1074273969).

Almost surely, 2^2148547937 is an apocalyptic number.

It is an amenable number.

2148547937 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148547937 is an equidigital number, since it uses as much as digits as its factorization.

2148547937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 50.

The square root of 2148547937 is about 46352.4318348024. The cubic root of 2148547937 is about 1290.3722534047.

The spelling of 2148547937 in words is "two billion, one hundred forty-eight million, five hundred forty-seven thousand, nine hundred thirty-seven".