3654081601 has 3 divisors (see below), whose sum is σ = 3654142051. Its totient is φ = 3654021152.

The previous prime is 3654081593. The next prime is 3654081617. The reversal of 3654081601 is 1061804563.

It is a happy number.

The square root of 3654081601 is 60449.

It is a perfect power (a square), and thus also a powerful number.

3654081601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It can be written as a sum of positive squares in only one way, i.e., 382241601 + 3271840000 = 19551^2 + 57200^2 .

It is not a de Polignac number, because 3654081601 - 2³ = 3654081593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3654081671) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 30225 + ... + 90673.

Almost surely, 2^3654081601 is an apocalyptic number.

3654081601 is the 60449-th square number.

3654081601 is the 30225-th centered octagonal number.

It is an amenable number.

3654081601 is a deficient number, since it is larger than the sum of its proper divisors (60450).

3654081601 is an frugal number, since it uses more digits than its factorization.

3654081601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120898 (or 60449 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The cubic root of 3654081601 is about 1540.2554252495.

The spelling of 3654081601 in words is "three billion, six hundred fifty-four million, eighty-one thousand, six hundred one".