4149309757 has 4 divisors (see below), whose sum is σ = 4250512476. Its totient is φ = 4048107040.

The previous prime is 4149309721. The next prime is 4149309761. The reversal of 4149309757 is 7579039414.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1510021881 + 2639287876 = 38859^2 + 51374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4149309757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4149309757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4149309767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50601298 + ... + 50601379.

It is an arithmetic number, because the mean of its divisors is an integer number (1062628119).

Almost surely, 2^4149309757 is an apocalyptic number.

It is an amenable number.

4149309757 is a deficient number, since it is larger than the sum of its proper divisors (101202719).

4149309757 is a wasteful number, since it uses less digits than its factorization.

4149309757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101202718.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 4149309757 is about 64415.1360861715. The cubic root of 4149309757 is about 1606.9114763055.

The spelling of 4149309757 in words is "four billion, one hundred forty-nine million, three hundred nine thousand, seven hundred fifty-seven".