29997922739219 has 4 divisors (see below), whose sum is σ = 30023716311096. Its totient is φ = 29972129167344.

The previous prime is 29997922739189. The next prime is 29997922739221. The reversal of 29997922739219 is 91293722979992.

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 29997922739219 - 2³² = 29993627771923 is a prime.

It is a super-2 number, since 2×29997922739219² (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 (29997922799219) 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, 12896784194 + ... + 12896786519.

It is an arithmetic number, because the mean of its divisors is an integer number (7505929077774).

Almost surely, 2^{29997922739219} is an apocalyptic number.

29997922739219 is a deficient number, since it is larger than the sum of its proper divisors (25793571877).

29997922739219 is a wasteful number, since it uses less digits than its factorization.

29997922739219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25793571876.

The product of its digits is 1249949232, while the sum is 80.

The spelling of 29997922739219 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred twenty-two million, seven hundred thirty-nine thousand, two hundred nineteen".