3655223461 has 4 divisors (see below), whose sum is σ = 3663906124. Its totient is φ = 3646540800.

The previous prime is 3655223447. The next prime is 3655223483. The reversal of 3655223461 is 1643225563.

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 1834494561 + 1820728900 = 42831^2 + 42670^2 .

It is a cyclic number.

It is not a de Polignac number, because 3655223461 - 2¹⁹ = 3654699173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3655223461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3655223441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4340700 + ... + 4341541.

It is an arithmetic number, because the mean of its divisors is an integer number (915976531).

Almost surely, 2^3655223461 is an apocalyptic number.

It is an amenable number.

3655223461 is a deficient number, since it is larger than the sum of its proper divisors (8682663).

3655223461 is an equidigital number, since it uses as much as digits as its factorization.

3655223461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8682662.

The product of its digits is 129600, while the sum is 37.

The square root of 3655223461 is about 60458.4440835191. Note that the first 3 decimals coincide. The cubic root of 3655223461 is about 1540.4158461237.

The spelling of 3655223461 in words is "three billion, six hundred fifty-five million, two hundred twenty-three thousand, four hundred sixty-one".