29485809238 has 8 divisors (see below), whose sum is σ = 46151701488. Its totient is φ = 14101908744.

The previous prime is 29485809233. The next prime is 29485809253. The reversal of 29485809238 is 83290858492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×29485809238² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29485809233) 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, 320497881 + ... + 320497972.

It is an arithmetic number, because the mean of its divisors is an integer number (5768962686).

Almost surely, 2^29485809238 is an apocalyptic number.

29485809238 is a deficient number, since it is larger than the sum of its proper divisors (16665892250).

29485809238 is a wasteful number, since it uses less digits than its factorization.

29485809238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640995878.

The product of its (nonzero) digits is 9953280, while the sum is 58.

The spelling of 29485809238 in words is "twenty-nine billion, four hundred eighty-five million, eight hundred nine thousand, two hundred thirty-eight".