6830635121 has 4 divisors (see below), whose sum is σ = 6830810100. Its totient is φ = 6830460144.

The previous prime is 6830635117. The next prime is 6830635153. The reversal of 6830635121 is 1215360386.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4308084496 + 2522550625 = 65636^2 + 50225^2 .

It is a cyclic number.

It is not a de Polignac number, because 6830635121 - 2² = 6830635117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6830635111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695 + ... + 116883.

It is an arithmetic number, because the mean of its divisors is an integer number (1707702525).

Almost surely, 2^6830635121 is an apocalyptic number.

It is an amenable number.

6830635121 is a deficient number, since it is larger than the sum of its proper divisors (174979).

6830635121 is a wasteful number, since it uses less digits than its factorization.

6830635121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174978.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 6830635121 is about 82647.6564761518. The cubic root of 6830635121 is about 1897.3772789146.

The spelling of 6830635121 in words is "six billion, eight hundred thirty million, six hundred thirty-five thousand, one hundred twenty-one".