5717281645 has 16 divisors (see below), whose sum is σ = 7266345408. Its totient is φ = 4303571200.

The previous prime is 5717281637. The next prime is 5717281651. The reversal of 5717281645 is 5461827175.

It is not a de Polignac number, because 5717281645 - 2³ = 5717281637 is a prime.

It is a super-3 number, since 3×5717281645³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5717281595 and 5717281604.

It is a congruent number.

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, 399870 + ... + 413920.

It is an arithmetic number, because the mean of its divisors is an integer number (454146588).

Almost surely, 2^5717281645 is an apocalyptic number.

It is an amenable number.

5717281645 is a deficient number, since it is larger than the sum of its proper divisors (1549063763).

5717281645 is a wasteful number, since it uses less digits than its factorization.

5717281645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18860.

The product of its digits is 470400, while the sum is 46.

The square root of 5717281645 is about 75612.7082242132. The cubic root of 5717281645 is about 1788.1194574625.

The spelling of 5717281645 in words is "five billion, seven hundred seventeen million, two hundred eighty-one thousand, six hundred forty-five".