29993198449931 has 4 divisors (see below), whose sum is σ = 29993425166664. Its totient is φ = 29992971733200.

The previous prime is 29993198449927. The next prime is 29993198450003. The reversal of 29993198449931 is 13994489139992.

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 29993198449931 - 2² = 29993198449927 is a prime.

It is a super-2 number, since 2×29993198449931² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29993198449901) 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, 113159810 + ... + 113424551.

It is an arithmetic number, because the mean of its divisors is an integer number (7498356291666).

Almost surely, 2^{29993198449931} is an apocalyptic number.

29993198449931 is a deficient number, since it is larger than the sum of its proper divisors (226716733).

29993198449931 is a wasteful number, since it uses less digits than its factorization.

29993198449931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226716732.

The product of its digits is 1224440064, while the sum is 80.

The spelling of 29993198449931 in words is "twenty-nine trillion, nine hundred ninety-three billion, one hundred ninety-eight million, four hundred forty-nine thousand, nine hundred thirty-one".