6801425279 has 4 divisors (see below), whose sum is σ = 7419736680. Its totient is φ = 6183113880.

The previous prime is 6801425249. The next prime is 6801425291. The reversal of 6801425279 is 9725241086.

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 6801425279 - 2⁸ = 6801425023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6801425219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309155684 + ... + 309155705.

It is an arithmetic number, because the mean of its divisors is an integer number (1854934170).

Almost surely, 2^6801425279 is an apocalyptic number.

6801425279 is a deficient number, since it is larger than the sum of its proper divisors (618311401).

6801425279 is a wasteful number, since it uses less digits than its factorization.

6801425279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618311400.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 6801425279 is about 82470.7540828869. The cubic root of 6801425279 is about 1894.6688299805.

The spelling of 6801425279 in words is "six billion, eight hundred one million, four hundred twenty-five thousand, two hundred seventy-nine".