29793510649 has 16 divisors (see below), whose sum is σ = 34443421056. Its totient is φ = 25243545600.

The previous prime is 29793510641. The next prime is 29793510689. The reversal of 29793510649 is 94601539792.

It is a happy number.

It is not a de Polignac number, because 29793510649 - 2³ = 29793510641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29793510649.

It is not an unprimeable number, because it can be changed into a prime (29793510641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172459 + ... + 298879.

It is an arithmetic number, because the mean of its divisors is an integer number (2152713816).

Almost surely, 2^29793510649 is an apocalyptic number.

It is an amenable number.

29793510649 is a deficient number, since it is larger than the sum of its proper divisors (4649910407).

29793510649 is a wasteful number, since it uses less digits than its factorization.

29793510649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126816.

The product of its (nonzero) digits is 3674160, while the sum is 55.

The spelling of 29793510649 in words is "twenty-nine billion, seven hundred ninety-three million, five hundred ten thousand, six hundred forty-nine".