3655244841 has 4 divisors (see below), whose sum is σ = 4873659792. Its totient is φ = 2436829892.

The previous prime is 3655244821. The next prime is 3655244881. The reversal of 3655244841 is 1484425563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3655244841 - 2⁶ = 3655244777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3655244793 and 3655244802.

It is not an unprimeable number, because it can be changed into a prime (3655244821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609207471 + ... + 609207476.

It is an arithmetic number, because the mean of its divisors is an integer number (1218414948).

Almost surely, 2^3655244841 is an apocalyptic number.

It is an amenable number.

3655244841 is a deficient number, since it is larger than the sum of its proper divisors (1218414951).

3655244841 is a wasteful number, since it uses less digits than its factorization.

3655244841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218414950.

The product of its digits is 460800, while the sum is 42.

The square root of 3655244841 is about 60458.6208989256. The cubic root of 3655244841 is about 1540.4188494993.

The spelling of 3655244841 in words is "three billion, six hundred fifty-five million, two hundred forty-four thousand, eight hundred forty-one".