4149306549 has 12 divisors (see below), whose sum is σ = 6029333856. Its totient is φ = 2749639272.

The previous prime is 4149306547. The next prime is 4149306571. The reversal of 4149306549 is 9456039414.

4149306549 is a `hidden beast` number, since 4 + 14 + 93 + 0 + 6 + 549 = 666.

It is not a de Polignac number, because 4149306549 - 2¹ = 4149306547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4149306541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1378839 + ... + 1381844.

It is an arithmetic number, because the mean of its divisors is an integer number (502444488).

Almost surely, 2^4149306549 is an apocalyptic number.

It is an amenable number.

4149306549 is a deficient number, since it is larger than the sum of its proper divisors (1880027307).

4149306549 is a wasteful number, since it uses less digits than its factorization.

4149306549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760856 (or 2760853 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 4149306549 is about 64415.1111851870. Note that the first 4 decimals coincide. The cubic root of 4149306549 is about 1606.9110621826.

The spelling of 4149306549 in words is "four billion, one hundred forty-nine million, three hundred six thousand, five hundred forty-nine".