2149309528 has 8 divisors (see below), whose sum is σ = 4029955380. Its totient is φ = 1074654760.

The previous prime is 2149309517. The next prime is 2149309559. The reversal of 2149309528 is 8259039412.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 134331838 + ... + 134331853.

Almost surely, 2^2149309528 is an apocalyptic number.

It is an amenable number.

2149309528 is a deficient number, since it is larger than the sum of its proper divisors (1880645852).

2149309528 is a wasteful number, since it uses less digits than its factorization.

2149309528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268663697 (or 268663693 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 2149309528 is about 46360.6463285403. The cubic root of 2149309528 is about 1290.5247005195.

The spelling of 2149309528 in words is "two billion, one hundred forty-nine million, three hundred nine thousand, five hundred twenty-eight".