2148508461 has 16 divisors (see below), whose sum is σ = 3156049728. Its totient is φ = 1289232000.

The previous prime is 2148508421. The next prime is 2148508463. The reversal of 2148508461 is 1648058412.

It is not a de Polignac number, because 2148508461 - 2¹³ = 2148500269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148508463) 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 in 15 ways as a sum of consecutive naturals, for example, 318976 + ... + 325641.

It is an arithmetic number, because the mean of its divisors is an integer number (197253108).

Almost surely, 2^2148508461 is an apocalyptic number.

It is an amenable number.

2148508461 is a deficient number, since it is larger than the sum of its proper divisors (1007541267).

2148508461 is a wasteful number, since it uses less digits than its factorization.

2148508461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644732.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 2148508461 is about 46352.0060083703. The cubic root of 2148508461 is about 1290.3643505406.

The spelling of 2148508461 in words is "two billion, one hundred forty-eight million, five hundred eight thousand, four hundred sixty-one".