5643748465 has 8 divisors (see below), whose sum is σ = 6867885888. Its totient is φ = 4451406960.

The previous prime is 5643748457. The next prime is 5643748507. The reversal of 5643748465 is 5648473465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5643748465 - 2³ = 5643748457 is a prime.

It is a super-3 number, since 3×5643748465³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7948587 + ... + 7949296.

It is an arithmetic number, because the mean of its divisors is an integer number (858485736).

Almost surely, 2^5643748465 is an apocalyptic number.

It is an amenable number.

5643748465 is a deficient number, since it is larger than the sum of its proper divisors (1224137423).

5643748465 is a wasteful number, since it uses less digits than its factorization.

5643748465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15897959.

The product of its digits is 9676800, while the sum is 52.

The square root of 5643748465 is about 75124.8857902626. The cubic root of 5643748465 is about 1780.4203511104.

The spelling of 5643748465 in words is "five billion, six hundred forty-three million, seven hundred forty-eight thousand, four hundred sixty-five".