29727064449 has 32 divisors (see below), whose sum is σ = 46508636160. Its totient is φ = 18727966224.

The previous prime is 29727064361. The next prime is 29727064463. The reversal of 29727064449 is 94446072792.

29727064449 is a `hidden beast` number, since 2 + 9 + 72 + 70 + 64 + 449 = 666.

It is not a de Polignac number, because 29727064449 - 2⁷ = 29727064321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29727064395 and 29727064404.

It is not an unprimeable number, because it can be changed into a prime (29727064849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236829 + ... + 339914.

It is an arithmetic number, because the mean of its divisors is an integer number (1453394880).

Almost surely, 2^29727064449 is an apocalyptic number.

It is an amenable number.

29727064449 is a deficient number, since it is larger than the sum of its proper divisors (16781571711).

29727064449 is a wasteful number, since it uses less digits than its factorization.

29727064449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576858 (or 576852 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 29727064449 in words is "twenty-nine billion, seven hundred twenty-seven million, sixty-four thousand, four hundred forty-nine".