8406129382641 has 8 divisors (see below), whose sum is σ = 12453525011360. Its totient is φ = 5604086255076.

The previous prime is 8406129382633. The next prime is 8406129382723. The reversal of 8406129382641 is 1462839216048.

8406129382641 is a `hidden beast` number, since 8 + 406 + 12 + 93 + 82 + 64 + 1 = 666.

It is not a de Polignac number, because 8406129382641 - 2³ = 8406129382633 is a prime.

It is a super-2 number, since 2×8406129382641² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8406129382621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155669062615 + ... + 155669062668.

It is an arithmetic number, because the mean of its divisors is an integer number (1556690626420).

Almost surely, 2^{8406129382641} is an apocalyptic number.

It is an amenable number.

8406129382641 is a deficient number, since it is larger than the sum of its proper divisors (4047395628719).

8406129382641 is a wasteful number, since it uses less digits than its factorization.

8406129382641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311338125292 (or 311338125286 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 8406129382641 in words is "eight trillion, four hundred six billion, one hundred twenty-nine million, three hundred eighty-two thousand, six hundred forty-one".