8425218141 has 6 divisors (see below), whose sum is σ = 12169759550. Its totient is φ = 5616812088.

The previous prime is 8425218121. The next prime is 8425218157. The reversal of 8425218141 is 1418125248.

8425218141 is a `hidden beast` number, since 8 + 425 + 218 + 14 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8181202500 + 244015641 = 90450^2 + 15621^2 .

It is not a de Polignac number, because 8425218141 - 2³⁰ = 7351476317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8425218096 and 8425218105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8425218121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 468067666 + ... + 468067683.

Almost surely, 2^8425218141 is an apocalyptic number.

It is an amenable number.

8425218141 is a deficient number, since it is larger than the sum of its proper divisors (3744541409).

8425218141 is a wasteful number, since it uses less digits than its factorization.

8425218141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936135355 (or 936135352 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 8425218141 is about 91788.9870354826. The cubic root of 8425218141 is about 2034.8249373801.

The spelling of 8425218141 in words is "eight billion, four hundred twenty-five million, two hundred eighteen thousand, one hundred forty-one".