29136784545 has 48 divisors (see below), whose sum is σ = 55491508800. Its totient is φ = 14025260160.

The previous prime is 29136784529. The next prime is 29136784549. The reversal of 29136784545 is 54548763192.

It is a happy number.

29136784545 is a `hidden beast` number, since 2 + 9 + 13 + 6 + 7 + 84 + 545 = 666.

It is not a de Polignac number, because 29136784545 - 2⁴ = 29136784529 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29136784491 and 29136784500.

It is not an unprimeable number, because it can be changed into a prime (29136784549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142930 + ... + 280539.

It is an arithmetic number, because the mean of its divisors is an integer number (1156073100).

Almost surely, 2^29136784545 is an apocalyptic number.

It is an amenable number.

29136784545 is a deficient number, since it is larger than the sum of its proper divisors (26354724255).

29136784545 is a wasteful number, since it uses less digits than its factorization.

29136784545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423630 (or 423627 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 29136784545 in words is "twenty-nine billion, one hundred thirty-six million, seven hundred eighty-four thousand, five hundred forty-five".