29026400129 has 4 divisors (see below), whose sum is σ = 29032827840. Its totient is φ = 29019972420.

The previous prime is 29026400113. The next prime is 29026400171. The reversal of 29026400129 is 92100462092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29026400129 - 2⁴ = 29026400113 is a prime.

It is a super-2 number, since 2×29026400129² (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 (29026400929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3207077 + ... + 3216114.

It is an arithmetic number, because the mean of its divisors is an integer number (7258206960).

Almost surely, 2^29026400129 is an apocalyptic number.

It is an amenable number.

29026400129 is a deficient number, since it is larger than the sum of its proper divisors (6427711).

29026400129 is an equidigital number, since it uses as much as digits as its factorization.

29026400129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6427710.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 29026400129 in words is "twenty-nine billion, twenty-six million, four hundred thousand, one hundred twenty-nine".