3649695652 has 6 divisors (see below), whose sum is σ = 6386967398. Its totient is φ = 1824847824.

The previous prime is 3649695631. The next prime is 3649695659. The reversal of 3649695652 is 2565969463.

It can be written as a sum of positive squares in only one way, i.e., 2647719936 + 1001975716 = 51456^2 + 31654^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3649695593 and 3649695602.

It is not an unprimeable number, because it can be changed into a prime (3649695659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456211953 + ... + 456211960.

Almost surely, 2^3649695652 is an apocalyptic number.

It is an amenable number.

3649695652 is a deficient number, since it is larger than the sum of its proper divisors (2737271746).

3649695652 is a wasteful number, since it uses less digits than its factorization.

3649695652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912423917 (or 912423915 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 55.

The square root of 3649695652 is about 60412.7110134945. The cubic root of 3649695652 is about 1539.6389286735.

The spelling of 3649695652 in words is "three billion, six hundred forty-nine million, six hundred ninety-five thousand, six hundred fifty-two".