3655048849 has 3 divisors (see below), whose sum is σ = 3655109307. Its totient is φ = 3654988392.

The previous prime is 3655048823. The next prime is 3655048871. The reversal of 3655048849 is 9488405563.

The square root of 3655048849 is 60457.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2594374225 + 1060674624 = 50935^2 + 32568^2 .

It is not a de Polignac number, because 3655048849 - 2³¹ = 1507565201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3655048796 and 3655048805.

It is not an unprimeable number, because it can be changed into a prime (3655048889) 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 2 ways as a sum of consecutive naturals, for example, 30229 + ... + 90685.

It is an arithmetic number, because the mean of its divisors is an integer number (1218369769).

Almost surely, 2^3655048849 is an apocalyptic number.

3655048849 is the 60457-th square number.

3655048849 is the 30229-th centered octagonal number.

It is an amenable number.

3655048849 is a deficient number, since it is larger than the sum of its proper divisors (60458).

3655048849 is an frugal number, since it uses more digits than its factorization.

3655048849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120914 (or 60457 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

The cubic root of 3655048849 is about 1540.3913169006.

The spelling of 3655048849 in words is "three billion, six hundred fifty-five million, forty-eight thousand, eight hundred forty-nine".