3651163346 has 4 divisors (see below), whose sum is σ = 5476745022. Its totient is φ = 1825581672.

The previous prime is 3651163343. The next prime is 3651163409. The reversal of 3651163346 is 6433611563.

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

It can be written as a sum of positive squares in only one way, i.e., 3327559225 + 323604121 = 57685^2 + 17989^2 .

It is not an unprimeable number, because it can be changed into a prime (3651163343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 912790835 + ... + 912790838.

Almost surely, 2^3651163346 is an apocalyptic number.

3651163346 is a deficient number, since it is larger than the sum of its proper divisors (1825581676).

3651163346 is a wasteful number, since it uses less digits than its factorization.

3651163346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825581675.

The product of its digits is 116640, while the sum is 38.

The square root of 3651163346 is about 60424.8570209314. The cubic root of 3651163346 is about 1539.8452852387.

The spelling of 3651163346 in words is "three billion, six hundred fifty-one million, one hundred sixty-three thousand, three hundred forty-six".