29538451811 has 4 divisors (see below), whose sum is σ = 32223765624. Its totient is φ = 26853138000.

The previous prime is 29538451801. The next prime is 29538451867. The reversal of 29538451811 is 11815483592.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29538451811 - 2³⁴ = 12358582627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29538451801) 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 3 ways as a sum of consecutive naturals, for example, 1342656890 + ... + 1342656911.

It is an arithmetic number, because the mean of its divisors is an integer number (8055941406).

Almost surely, 2^29538451811 is an apocalyptic number.

29538451811 is a deficient number, since it is larger than the sum of its proper divisors (2685313813).

29538451811 is a wasteful number, since it uses less digits than its factorization.

29538451811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685313812.

The product of its digits is 345600, while the sum is 47.

The spelling of 29538451811 in words is "twenty-nine billion, five hundred thirty-eight million, four hundred fifty-one thousand, eight hundred eleven".