29893030956 has 144 divisors (see below), whose sum is σ = 79495704288. Its totient is φ = 9461836800.

The previous prime is 29893030949. The next prime is 29893030987. The reversal of 29893030956 is 65903039892.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10246410 + ... + 10249326.

It is an arithmetic number, because the mean of its divisors is an integer number (552053502).

Almost surely, 2^29893030956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29893030956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39747852144).

29893030956 is an abundant number, since it is smaller than the sum of its proper divisors (49602673332).

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

29893030956 is a wasteful number, since it uses less digits than its factorization.

29893030956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152 (or 3147 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 29893030956 in words is "twenty-nine billion, eight hundred ninety-three million, thirty thousand, nine hundred fifty-six".