5471028643 has 16 divisors (see below), whose sum is σ = 5785474464. Its totient is φ = 5166685440.

The previous prime is 5471028623. The next prime is 5471028671. The reversal of 5471028643 is 3468201745.

It is a cyclic number.

It is not a de Polignac number, because 5471028643 - 2²¹ = 5468931491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5471028596 and 5471028605.

It is not an unprimeable number, because it can be changed into a prime (5471028613) 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, 289696 + ... + 308002.

It is an arithmetic number, because the mean of its divisors is an integer number (361592154).

Almost surely, 2^5471028643 is an apocalyptic number.

5471028643 is a deficient number, since it is larger than the sum of its proper divisors (314445821).

5471028643 is a wasteful number, since it uses less digits than its factorization.

5471028643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18582.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 5471028643 is about 73966.4021228558. The cubic root of 5471028643 is about 1762.0693466067.

The spelling of 5471028643 in words is "five billion, four hundred seventy-one million, twenty-eight thousand, six hundred forty-three".