29998394974511 has 8 divisors (see below), whose sum is σ = 30027635077440. Its totient is φ = 29969155580832.

The previous prime is 29998394974501. The next prime is 29998394974519. The reversal of 29998394974511 is 11547949389992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29998394974511 - 2¹⁸ = 29998394712367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29998394974519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132851141 + ... + 133076753.

It is an arithmetic number, because the mean of its divisors is an integer number (3753454384680).

Almost surely, 2^{29998394974511} is an apocalyptic number.

29998394974511 is a deficient number, since it is larger than the sum of its proper divisors (29240102929).

29998394974511 is a wasteful number, since it uses less digits than its factorization.

29998394974511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354625.

The product of its digits is 1587237120, while the sum is 80.

The spelling of 29998394974511 in words is "twenty-nine trillion, nine hundred ninety-eight billion, three hundred ninety-four million, nine hundred seventy-four thousand, five hundred eleven".