29477649009 has 16 divisors (see below), whose sum is σ = 42381218880. Its totient is φ = 18163376640.

The previous prime is 29477648969. The next prime is 29477649013. The reversal of 29477649009 is 90094677492.

It is not a de Polignac number, because 29477649009 - 2¹² = 29477644913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 29477649009.

It is not an unprimeable number, because it can be changed into a prime (29477649049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6304392 + ... + 6309065.

It is an arithmetic number, because the mean of its divisors is an integer number (2648826180).

Almost surely, 2^29477649009 is an apocalyptic number.

It is an amenable number.

29477649009 is a deficient number, since it is larger than the sum of its proper divisors (12903569871).

29477649009 is a wasteful number, since it uses less digits than its factorization.

29477649009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12613520.

The product of its (nonzero) digits is 6858432, while the sum is 57.

The spelling of 29477649009 in words is "twenty-nine billion, four hundred seventy-seven million, six hundred forty-nine thousand, nine".