3643652522 has 4 divisors (see below), whose sum is σ = 5465478786. Its totient is φ = 1821826260.

The previous prime is 3643652521. The next prime is 3643652531. The reversal of 3643652522 is 2252563463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2252563463 = 24097 ⋅93479.

It can be written as a sum of positive squares in only one way, i.e., 2742512161 + 901140361 = 52369^2 + 30019^2 .

It is not an unprimeable number, because it can be changed into a prime (3643652521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 910913129 + ... + 910913132.

Almost surely, 2^3643652522 is an apocalyptic number.

3643652522 is a deficient number, since it is larger than the sum of its proper divisors (1821826264).

3643652522 is a wasteful number, since it uses less digits than its factorization.

3643652522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821826263.

The product of its digits is 259200, while the sum is 38.

The square root of 3643652522 is about 60362.6749075950. The cubic root of 3643652522 is about 1538.7886862511.

The spelling of 3643652522 in words is "three billion, six hundred forty-three million, six hundred fifty-two thousand, five hundred twenty-two".