29784684452 has 24 divisors (see below), whose sum is σ = 52231817400. Its totient is φ = 14861339136.

The previous prime is 29784684389. The next prime is 29784684481. The reversal of 29784684452 is 25448648792.

It can be written as a sum of positive squares in 4 ways, for example, as 44302336 + 29740382116 = 6656^2 + 172454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29784684391 and 29784684400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6035378 + ... + 6040310.

It is an arithmetic number, because the mean of its divisors is an integer number (2176325725).

Almost surely, 2^29784684452 is an apocalyptic number.

It is an amenable number.

29784684452 is a deficient number, since it is larger than the sum of its proper divisors (22447132948).

29784684452 is a wasteful number, since it uses less digits than its factorization.

29784684452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7775 (or 7773 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 59.

The spelling of 29784684452 in words is "twenty-nine billion, seven hundred eighty-four million, six hundred eighty-four thousand, four hundred fifty-two".