34639126121 has 8 divisors (see below), whose sum is σ = 35475638184. Its totient is φ = 33812398080.

The previous prime is 34639126117. The next prime is 34639126153. The reversal of 34639126121 is 12162193643.

It can be written as a sum of positive squares in 4 ways, for example, as 14719755625 + 19919370496 = 121325^2 + 141136^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34639126121 - 2² = 34639126117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34639126111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2438840 + ... + 2453001.

It is an arithmetic number, because the mean of its divisors is an integer number (4434454773).

Almost surely, 2^34639126121 is an apocalyptic number.

It is an amenable number.

34639126121 is a deficient number, since it is larger than the sum of its proper divisors (836512063).

34639126121 is an equidigital number, since it uses as much as digits as its factorization.

34639126121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4892011.

The product of its digits is 46656, while the sum is 38.

The spelling of 34639126121 in words is "thirty-four billion, six hundred thirty-nine million, one hundred twenty-six thousand, one hundred twenty-one".