5643721475 has 12 divisors (see below), whose sum is σ = 7997959824. Its totient is φ = 3869980320.

The previous prime is 5643721459. The next prime is 5643721513. The reversal of 5643721475 is 5741273465.

It is a happy number.

It is not a de Polignac number, because 5643721475 - 2⁴ = 5643721459 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 16124744 + ... + 16125093.

It is an arithmetic number, because the mean of its divisors is an integer number (666496652).

Almost surely, 2^5643721475 is an apocalyptic number.

5643721475 is a deficient number, since it is larger than the sum of its proper divisors (2354238349).

5643721475 is a wasteful number, since it uses less digits than its factorization.

5643721475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32249854 (or 32249849 counting only the distinct ones).

The product of its digits is 705600, while the sum is 44.

The square root of 5643721475 is about 75124.7061558313. The cubic root of 5643721475 is about 1780.4175129481.

The spelling of 5643721475 in words is "five billion, six hundred forty-three million, seven hundred twenty-one thousand, four hundred seventy-five".