3644146465 has 16 divisors (see below), whose sum is σ = 4494295872. Its totient is φ = 2834547264.

The previous prime is 3644146423. The next prime is 3644146481. The reversal of 3644146465 is 5646414463.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3644146465 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294942 + ... + 307048.

It is an arithmetic number, because the mean of its divisors is an integer number (280893492).

Almost surely, 2^3644146465 is an apocalyptic number.

It is an amenable number.

3644146465 is a deficient number, since it is larger than the sum of its proper divisors (850149407).

3644146465 is a wasteful number, since it uses less digits than its factorization.

3644146465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13776.

The product of its digits is 829440, while the sum is 43.

The square root of 3644146465 is about 60366.7662294412. The cubic root of 3644146465 is about 1538.8582171730.

The spelling of 3644146465 in words is "three billion, six hundred forty-four million, one hundred forty-six thousand, four hundred sixty-five".