5644334465 has 64 divisors (see below), whose sum is σ = 8971776000. Its totient is φ = 3302311680.

The previous prime is 5644334461. The next prime is 5644334473.

5644334465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5644334465 - 2² = 5644334461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5644334461) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 793796 + ... + 800874.

It is an arithmetic number, because the mean of its divisors is an integer number (140184000).

Almost surely, 2^5644334465 is an apocalyptic number.

5644334465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5644334465 is a deficient number, since it is larger than the sum of its proper divisors (3327441535).

5644334465 is a wasteful number, since it uses less digits than its factorization.

5644334465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7230.

The product of its digits is 2073600, while the sum is 44.

The square root of 5644334465 is about 75128.7858613461. The cubic root of 5644334465 is about 1780.4819703352.

The spelling of 5644334465 in words is "five billion, six hundred forty-four million, three hundred thirty-four thousand, four hundred sixty-five".