29993198443091 has 4 divisors (see below), whose sum is σ = 32300367554112. Its totient is φ = 27686029332072.

The previous prime is 29993198443069. The next prime is 29993198443097. The reversal of 29993198443091 is 19034489139992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29993198443091 - 2³⁰ = 29992124701267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29993198443097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153584555491 + ... + 1153584555516.

It is an arithmetic number, because the mean of its divisors is an integer number (8075091888528).

Almost surely, 2^{29993198443091} is an apocalyptic number.

29993198443091 is a deficient number, since it is larger than the sum of its proper divisors (2307169111021).

29993198443091 is a wasteful number, since it uses less digits than its factorization.

29993198443091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307169111020.

The product of its (nonzero) digits is 136048896, while the sum is 71.

The spelling of 29993198443091 in words is "twenty-nine trillion, nine hundred ninety-three billion, one hundred ninety-eight million, four hundred forty-three thousand, ninety-one".