29000000001 has 32 divisors (see below), whose sum is σ = 48299286528. Its totient is φ = 15093515520.

The previous prime is 28999999999. The next prime is 29000000009. The reversal of 29000000001 is 10000000092.

It is a happy number.

It is not a de Polignac number, because 29000000001 - 2¹ = 28999999999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29000000009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1299135 + ... + 1321268.

It is an arithmetic number, because the mean of its divisors is an integer number (1509352704).

Almost surely, 2^29000000001 is an apocalyptic number.

29000000001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

29000000001 is a deficient number, since it is larger than the sum of its proper divisors (19299286527).

29000000001 is a wasteful number, since it uses less digits than its factorization.

29000000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620461.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 29000000001 its reverse (10000000092), we get a palindrome (39000000093).

The spelling of 29000000001 in words is "twenty-nine billion, one", and thus it is an aban number and an uban number.