3655048889 has 2 divisors, whose sum is σ = 3655048890. Its totient is φ = 3655048888.

The previous prime is 3655048883. The next prime is 3655048897. The reversal of 3655048889 is 9888405563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2652250000 + 1002798889 = 51500^2 + 31667^2 .

It is an emirp because it is prime and its reverse (9888405563) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3655048889 is a prime.

It is not a weakly prime, because it can be changed into another prime (3655048883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1827524444 + 1827524445.

It is an arithmetic number, because the mean of its divisors is an integer number (1827524445).

Almost surely, 2^3655048889 is an apocalyptic number.

It is an amenable number.

3655048889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3655048889 is an equidigital number, since it uses as much as digits as its factorization.

3655048889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8294400, while the sum is 56.

The square root of 3655048889 is about 60457.0003308136. Note that the first 3 decimals coincide. The cubic root of 3655048889 is about 1540.3913225198.

The spelling of 3655048889 in words is "three billion, six hundred fifty-five million, forty-eight thousand, eight hundred eighty-nine".