29031638011 has 6 divisors (see below), whose sum is σ = 29053132836. Its totient is φ = 29010152700.

The previous prime is 29031638003. The next prime is 29031638017. The reversal of 29031638011 is 11083613092.

It is not a de Polignac number, because 29031638011 - 2³ = 29031638003 is a prime.

It is a super-2 number, since 2×29031638011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29031638017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7863676 + ... + 7867366.

It is an arithmetic number, because the mean of its divisors is an integer number (4842188806).

Almost surely, 2^29031638011 is an apocalyptic number.

29031638011 is a deficient number, since it is larger than the sum of its proper divisors (21494825).

29031638011 is an frugal number, since it uses more digits than its factorization.

29031638011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9513 (or 5822 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 29031638011 in words is "twenty-nine billion, thirty-one million, six hundred thirty-eight thousand, eleven".