29993439992 has 8 divisors (see below), whose sum is σ = 56237700000. Its totient is φ = 14996719992.

The previous prime is 29993439989. The next prime is 29993440019.

29993439992 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1874589992 + ... + 1874590007.

It is an arithmetic number, because the mean of its divisors is an integer number (7029712500).

Almost surely, 2^29993439992 is an apocalyptic number.

It is an amenable number.

29993439992 is a deficient number, since it is larger than the sum of its proper divisors (26244260008).

29993439992 is a wasteful number, since it uses less digits than its factorization.

29993439992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749180005 (or 3749180001 counting only the distinct ones).

The product of its digits is 76527504, while the sum is 68.

The spelling of 29993439992 in words is "twenty-nine billion, nine hundred ninety-three million, four hundred thirty-nine thousand, nine hundred ninety-two".