8422543695429 has 48 divisors (see below), whose sum is σ = 12275033621760. Its totient is φ = 5564889348480.

The previous prime is 8422543695407. The next prime is 8422543695479. The reversal of 8422543695429 is 9245963452248.

8422543695429 is a `hidden beast` number, since 8 + 4 + 2 + 2 + 54 + 36 + 9 + 542 + 9 = 666.

It is not a de Polignac number, because 8422543695429 - 2²³ = 8422535306821 is a prime.

It is a super-3 number, since 3×8422543695429³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8422543695479) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 786486727 + ... + 786497435.

It is an arithmetic number, because the mean of its divisors is an integer number (255729867120).

Almost surely, 2^{8422543695429} is an apocalyptic number.

It is an amenable number.

8422543695429 is a deficient number, since it is larger than the sum of its proper divisors (3852489926331).

8422543695429 is a wasteful number, since it uses less digits than its factorization.

8422543695429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12442 (or 12439 counting only the distinct ones).

The product of its digits is 149299200, while the sum is 63.

The spelling of 8422543695429 in words is "eight trillion, four hundred twenty-two billion, five hundred forty-three million, six hundred ninety-five thousand, four hundred twenty-nine".