29439009471 has 16 divisors (see below), whose sum is σ = 39669890400. Its totient is φ = 19417202688.

The previous prime is 29439009449. The next prime is 29439009487. The reversal of 29439009471 is 17490093492.

It is a happy number.

It is not a de Polignac number, because 29439009471 - 2³⁴ = 12259140287 is a prime.

It is a super-3 number, since 3×29439009471³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29439009471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29439009491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953545 + ... + 983933.

It is an arithmetic number, because the mean of its divisors is an integer number (2479368150).

Almost surely, 2^29439009471 is an apocalyptic number.

29439009471 is a deficient number, since it is larger than the sum of its proper divisors (10230880929).

29439009471 is a wasteful number, since it uses less digits than its factorization.

29439009471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33818.

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 29439009471 in words is "twenty-nine billion, four hundred thirty-nine million, nine thousand, four hundred seventy-one".