8411971445 has 6 divisors (see below), whose sum is σ = 10094611842. Its totient is φ = 6729413088.

The previous prime is 8411971409. The next prime is 8411971453. The reversal of 8411971445 is 5441791148.

It can be written as a sum of positive squares in 3 ways, for example, as 2666483044 + 5745488401 = 51638^2 + 75799^2 .

It is not a de Polignac number, because 8411971445 - 2¹⁸ = 8411709301 is a prime.

It is a super-2 number, since 2×8411971445² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8411971396 and 8411971405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184577 + ... + 225593.

It is an arithmetic number, because the mean of its divisors is an integer number (1682435307).

Almost surely, 2^8411971445 is an apocalyptic number.

It is an amenable number.

8411971445 is a deficient number, since it is larger than the sum of its proper divisors (1682640397).

8411971445 is an frugal number, since it uses more digits than its factorization.

8411971445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82039 (or 41022 counting only the distinct ones).

The product of its digits is 161280, while the sum is 44.

The square root of 8411971445 is about 91716.8002331089. The cubic root of 8411971445 is about 2033.7579483349.

The spelling of 8411971445 in words is "eight billion, four hundred eleven million, nine hundred seventy-one thousand, four hundred forty-five".