2148547903 has 2 divisors, whose sum is σ = 2148547904. Its totient is φ = 2148547902.

The previous prime is 2148547897. The next prime is 2148547913. The reversal of 2148547903 is 3097458412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2148547903 - 2¹³ = 2148539711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2148547903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2148547913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074273951 + 1074273952.

It is an arithmetic number, because the mean of its divisors is an integer number (1074273952).

Almost surely, 2^2148547903 is an apocalyptic number.

2148547903 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148547903 is an equidigital number, since it uses as much as digits as its factorization.

2148547903 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2148547903 is about 46352.4314680471. The cubic root of 2148547903 is about 1290.3722465982.

The spelling of 2148547903 in words is "two billion, one hundred forty-eight million, five hundred forty-seven thousand, nine hundred three".