29142154217 has 16 divisors (see below), whose sum is σ = 32158114560. Its totient is φ = 26188444800.

The previous prime is 29142154211. The next prime is 29142154243. The reversal of 29142154217 is 71245124192.

It is a cyclic number.

It is not a de Polignac number, because 29142154217 - 2²⁰ = 29141105641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29142154211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488573 + ... + 544965.

It is an arithmetic number, because the mean of its divisors is an integer number (2009882160).

Almost surely, 2^29142154217 is an apocalyptic number.

It is an amenable number.

29142154217 is a deficient number, since it is larger than the sum of its proper divisors (3015960343).

29142154217 is a wasteful number, since it uses less digits than its factorization.

29142154217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56944.

The product of its digits is 40320, while the sum is 38.

The spelling of 29142154217 in words is "twenty-nine billion, one hundred forty-two million, one hundred fifty-four thousand, two hundred seventeen".