948921549 has 16 divisors (see below), whose sum is σ = 1303368000. Its totient is φ = 613742976.

The previous prime is 948921509. The next prime is 948921553. The reversal of 948921549 is 945129849.

It is a de Polignac number, because none of the positive numbers 2^k-948921549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (948921509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5464 + ... + 43905.

It is an arithmetic number, because the mean of its divisors is an integer number (81460500).

Almost surely, 2^948921549 is an apocalyptic number.

It is an amenable number.

948921549 is a deficient number, since it is larger than the sum of its proper divisors (354446451).

948921549 is a wasteful number, since it uses less digits than its factorization.

948921549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49564.

The product of its digits is 933120, while the sum is 51.

The square root of 948921549 is about 30804.5702615700. The cubic root of 948921549 is about 982.6754426450.

The spelling of 948921549 in words is "nine hundred forty-eight million, nine hundred twenty-one thousand, five hundred forty-nine".