5617947745 has 16 divisors (see below), whose sum is σ = 6870813840. Its totient is φ = 4408992000.

The previous prime is 5617947737. The next prime is 5617947779. The reversal of 5617947745 is 5477497165.

It can be written as a sum of positive squares in 8 ways, for example, as 535968801 + 5081978944 = 23151^2 + 71288^2 .

It is not a de Polignac number, because 5617947745 - 2³ = 5617947737 is a prime.

It is a super-2 number, since 2×5617947745² = 63122673731101170050, which contains 22 as substring.

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, 4015 + ... + 106075.

It is an arithmetic number, because the mean of its divisors is an integer number (429425865).

Almost surely, 2^5617947745 is an apocalyptic number.

It is an amenable number.

5617947745 is a deficient number, since it is larger than the sum of its proper divisors (1252866095).

5617947745 is a wasteful number, since it uses less digits than its factorization.

5617947745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102276.

The product of its digits is 7408800, while the sum is 55.

The square root of 5617947745 is about 74952.9702213328. The cubic root of 5617947745 is about 1777.7031082795.

The spelling of 5617947745 in words is "five billion, six hundred seventeen million, nine hundred forty-seven thousand, seven hundred forty-five".