29898795620 has 12 divisors (see below), whose sum is σ = 62787470844. Its totient is φ = 11959518240.

The previous prime is 29898795613. The next prime is 29898795629. The reversal of 29898795620 is 2659789892.

It can be written as a sum of positive squares in 2 ways, for example, as 22588887616 + 7309908004 = 150296^2 + 85498^2 .

It is not an unprimeable number, because it can be changed into a prime (29898795629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747469871 + ... + 747469910.

It is an arithmetic number, because the mean of its divisors is an integer number (5232289237).

Almost surely, 2^29898795620 is an apocalyptic number.

29898795620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29898795620 is an abundant number, since it is smaller than the sum of its proper divisors (32888675224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29898795620 is a wasteful number, since it uses less digits than its factorization.

29898795620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494939790 (or 1494939788 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 65.

The spelling of 29898795620 in words is "twenty-nine billion, eight hundred ninety-eight million, seven hundred ninety-five thousand, six hundred twenty".