3654253565 has 16 divisors (see below), whose sum is σ = 4620345600. Its totient is φ = 2766871872.

The previous prime is 3654253553. The next prime is 3654253567. The reversal of 3654253565 is 5653524563.

It is a cyclic number.

It is not a de Polignac number, because 3654253565 - 2¹⁰ = 3654252541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654253567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83564 + ... + 119546.

It is an arithmetic number, because the mean of its divisors is an integer number (288771600).

Almost surely, 2^3654253565 is an apocalyptic number.

It is an amenable number.

3654253565 is a deficient number, since it is larger than the sum of its proper divisors (966092035).

3654253565 is a wasteful number, since it uses less digits than its factorization.

3654253565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37076.

The product of its digits is 1620000, while the sum is 44.

The square root of 3654253565 is about 60450.4223723871. The cubic root of 3654253565 is about 1540.2795867542.

The spelling of 3654253565 in words is "three billion, six hundred fifty-four million, two hundred fifty-three thousand, five hundred sixty-five".