3650654389 has 4 divisors (see below), whose sum is σ = 3650775660. Its totient is φ = 3650533120.

The previous prime is 3650654383. The next prime is 3650654407. The reversal of 3650654389 is 9834560563.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9834560563 = 433 ⋅22712611.

It can be written as a sum of positive squares in 2 ways, for example, as 1324232100 + 2326422289 = 36390^2 + 48233^2 .

It is a cyclic number.

It is not a de Polignac number, because 3650654389 - 2²⁷ = 3516436661 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3650654383) 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, 22677 + ... + 88405.

It is an arithmetic number, because the mean of its divisors is an integer number (912693915).

Almost surely, 2^3650654389 is an apocalyptic number.

It is an amenable number.

3650654389 is a deficient number, since it is larger than the sum of its proper divisors (121271).

3650654389 is an equidigital number, since it uses as much as digits as its factorization.

3650654389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121270.

The product of its (nonzero) digits is 2332800, while the sum is 49.

The square root of 3650654389 is about 60420.6453871522. The cubic root of 3650654389 is about 1539.7737325690.

The spelling of 3650654389 in words is "three billion, six hundred fifty million, six hundred fifty-four thousand, three hundred eighty-nine".