29143649227 has 16 divisors (see below), whose sum is σ = 37507037184. Its totient is φ = 21976776000.

The previous prime is 29143649179. The next prime is 29143649239. The reversal of 29143649227 is 72294634192.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 29143649227 - 2⁷ = 29143649099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29143644227) 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, 6102274 + ... + 6107047.

It is an arithmetic number, because the mean of its divisors is an integer number (2344189824).

Almost surely, 2^29143649227 is an apocalyptic number.

29143649227 is a deficient number, since it is larger than the sum of its proper divisors (8363387957).

29143649227 is a wasteful number, since it uses less digits than its factorization.

29143649227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12209370.

The product of its digits is 1306368, while the sum is 49.

The spelling of 29143649227 in words is "twenty-nine billion, one hundred forty-three million, six hundred forty-nine thousand, two hundred twenty-seven".