29144272816 has 10 divisors (see below), whose sum is σ = 56467028612. Its totient is φ = 14572136400.

The previous prime is 29144272789. The next prime is 29144272819. The reversal of 29144272816 is 61827244192.

It is not an unprimeable number, because it can be changed into a prime (29144272819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 910758510 + ... + 910758541.

Almost surely, 2^29144272816 is an apocalyptic number.

It is an amenable number.

29144272816 is a deficient number, since it is larger than the sum of its proper divisors (27322755796).

29144272816 is a wasteful number, since it uses less digits than its factorization.

29144272816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821517059 (or 1821517053 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The spelling of 29144272816 in words is "twenty-nine billion, one hundred forty-four million, two hundred seventy-two thousand, eight hundred sixteen".