3654564020 has 12 divisors (see below), whose sum is σ = 7674584484. Its totient is φ = 1461825600.

The previous prime is 3654564019. The next prime is 3654564041. The reversal of 3654564020 is 204654563.

It is a happy number.

3654564020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1335756304 + 2318807716 = 36548^2 + 48154^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91364081 + ... + 91364120.

It is an arithmetic number, because the mean of its divisors is an integer number (639548707).

Almost surely, 2^3654564020 is an apocalyptic number.

It is an amenable number.

3654564020 is an abundant number, since it is smaller than the sum of its proper divisors (4020020464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3654564020 is a wasteful number, since it uses less digits than its factorization.

3654564020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182728210 (or 182728208 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 3654564020 is about 60452.9901659132. The cubic root of 3654564020 is about 1540.3232047781.

The spelling of 3654564020 in words is "three billion, six hundred fifty-four million, five hundred sixty-four thousand, twenty".