29479954122 has 48 divisors (see below), whose sum is σ = 66043041792. Its totient is φ = 9493886880.

The previous prime is 29479954117. The next prime is 29479954123. The reversal of 29479954122 is 22145997492.

It is a happy number.

29479954122 is a `hidden beast` number, since 2 + 9 + 4 + 7 + 99 + 541 + 2 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (29479954123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 295188 + ... + 382224.

It is an arithmetic number, because the mean of its divisors is an integer number (1375896704).

Almost surely, 2^29479954122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29479954122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33021520896).

29479954122 is an abundant number, since it is smaller than the sum of its proper divisors (36563087670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29479954122 is a wasteful number, since it uses less digits than its factorization.

29479954122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87683 (or 87680 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 29479954122 in words is "twenty-nine billion, four hundred seventy-nine million, nine hundred fifty-four thousand, one hundred twenty-two".