29939181219 has 12 divisors (see below), whose sum is σ = 45789336216. Its totient is φ = 18785368512.

The previous prime is 29939181203. The next prime is 29939181263. The reversal of 29939181219 is 91218193992.

It is not a de Polignac number, because 29939181219 - 2⁴ = 29939181203 is a prime.

It is a super-2 number, since 2×29939181219² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (29939181319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97840309 + ... + 97840614.

It is an arithmetic number, because the mean of its divisors is an integer number (3815778018).

Almost surely, 2^29939181219 is an apocalyptic number.

29939181219 is a deficient number, since it is larger than the sum of its proper divisors (15850154997).

29939181219 is a wasteful number, since it uses less digits than its factorization.

29939181219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195680946 (or 195680943 counting only the distinct ones).

The product of its digits is 629856, while the sum is 54.

The spelling of 29939181219 in words is "twenty-nine billion, nine hundred thirty-nine million, one hundred eighty-one thousand, two hundred nineteen".