29143421343 has 6 divisors (see below), whose sum is σ = 42096053064. Its totient is φ = 19428947556.

The previous prime is 29143421341. The next prime is 29143421407. The reversal of 29143421343 is 34312434192.

29143421343 is a `hidden beast` number, since 2 + 9 + 1 + 434 + 213 + 4 + 3 = 666.

It is not a de Polignac number, because 29143421343 - 2¹ = 29143421341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29143421298 and 29143421307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29143421341) 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, 1619078955 + ... + 1619078972.

It is an arithmetic number, because the mean of its divisors is an integer number (7016008844).

Almost surely, 2^29143421343 is an apocalyptic number.

29143421343 is a deficient number, since it is larger than the sum of its proper divisors (12952631721).

29143421343 is a wasteful number, since it uses less digits than its factorization.

29143421343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238157933 (or 3238157930 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The spelling of 29143421343 in words is "twenty-nine billion, one hundred forty-three million, four hundred twenty-one thousand, three hundred forty-three".