3652566731 has 4 divisors (see below), whose sum is σ = 3984618264. Its totient is φ = 3320515200.

The previous prime is 3652566721. The next prime is 3652566751. The reversal of 3652566731 is 1376652563.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3652566731 - 2³⁰ = 2578824907 is a prime.

It is a super-2 number, since 2×3652566731² = 26682487448816052722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3652566721) 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, 166025750 + ... + 166025771.

It is an arithmetic number, because the mean of its divisors is an integer number (996154566).

Almost surely, 2^3652566731 is an apocalyptic number.

3652566731 is a deficient number, since it is larger than the sum of its proper divisors (332051533).

3652566731 is a wasteful number, since it uses less digits than its factorization.

3652566731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332051532.

The product of its digits is 680400, while the sum is 44.

The square root of 3652566731 is about 60436.4685516948. The cubic root of 3652566731 is about 1540.0425482988.

The spelling of 3652566731 in words is "three billion, six hundred fifty-two million, five hundred sixty-six thousand, seven hundred thirty-one".