29153543389 has 4 divisors (see below), whose sum is σ = 30868457724. Its totient is φ = 27438629056.

The previous prime is 29153543387. The next prime is 29153543411. The reversal of 29153543389 is 98334535192.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25685511289 + 3468032100 = 160267^2 + 58890^2 .

It is a cyclic number.

It is not a de Polignac number, because 29153543389 - 2¹ = 29153543387 is a prime.

It is a super-3 number, since 3×29153543389³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29153543381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857457142 + ... + 857457175.

It is an arithmetic number, because the mean of its divisors is an integer number (7717114431).

Almost surely, 2^29153543389 is an apocalyptic number.

It is an amenable number.

29153543389 is a deficient number, since it is larger than the sum of its proper divisors (1714914335).

29153543389 is a wasteful number, since it uses less digits than its factorization.

29153543389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714914334.

The product of its digits is 3499200, while the sum is 52.

The spelling of 29153543389 in words is "twenty-nine billion, one hundred fifty-three million, five hundred forty-three thousand, three hundred eighty-nine".