29991419992 has 64 divisors (see below), whose sum is σ = 59928271200. Its totient is φ = 14022328320.

The previous prime is 29991419989. The next prime is 29991419999.

29991419992 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29991419999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16011568 + ... + 16013440.

Almost surely, 2^29991419992 is an apocalyptic number.

It is an amenable number.

29991419992 is a deficient number, since it is larger than the sum of its proper divisors (29936851208).

29991419992 is a wasteful number, since it uses less digits than its factorization.

29991419992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596 (or 2592 counting only the distinct ones).

The product of its digits is 8503056, while the sum is 64.

The spelling of 29991419992 in words is "twenty-nine billion, nine hundred ninety-one million, four hundred nineteen thousand, nine hundred ninety-two".