29961271042219 has 16 divisors (see below), whose sum is σ = 33202820215296. Its totient is φ = 26807351155200.

The previous prime is 29961271042217. The next prime is 29961271042229. The reversal of 29961271042219 is 91224017216992.

It is not a de Polignac number, because 29961271042219 - 2¹ = 29961271042217 is a prime.

It is a super-2 number, since 2×29961271042219² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29961271042219.

It is not an unprimeable number, because it can be changed into a prime (29961271042217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32792607 + ... + 33693880.

It is an arithmetic number, because the mean of its divisors is an integer number (2075176263456).

Almost surely, 2^{29961271042219} is an apocalyptic number.

29961271042219 is a deficient number, since it is larger than the sum of its proper divisors (3241549173077).

29961271042219 is a wasteful number, since it uses less digits than its factorization.

29961271042219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66487146.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 29961271042219 in words is "twenty-nine trillion, nine hundred sixty-one billion, two hundred seventy-one million, forty-two thousand, two hundred nineteen".