3655261983 has 32 divisors (see below), whose sum is σ = 5042644992. Its totient is φ = 2354220000.

The previous prime is 3655261969. The next prime is 3655261997. The reversal of 3655261983 is 3891625563.

It is an interprime number because it is at equal distance from previous prime (3655261969) and next prime (3655261997).

It is not a de Polignac number, because 3655261983 - 2²⁴ = 3638484767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3655261583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2518408 + ... + 2519858.

It is an arithmetic number, because the mean of its divisors is an integer number (157582656).

Almost surely, 2^3655261983 is an apocalyptic number.

3655261983 is a deficient number, since it is larger than the sum of its proper divisors (1387383009).

3655261983 is a wasteful number, since it uses less digits than its factorization.

3655261983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755.

The product of its digits is 1166400, while the sum is 48.

The square root of 3655261983 is about 60458.7626651423. The cubic root of 3655261983 is about 1540.4212575293.

The spelling of 3655261983 in words is "three billion, six hundred fifty-five million, two hundred sixty-one thousand, nine hundred eighty-three".