6801895028 has 6 divisors (see below), whose sum is σ = 11903316306. Its totient is φ = 3400947512.

The previous prime is 6801895021. The next prime is 6801895049. The reversal of 6801895028 is 8205981086.

It can be written as a sum of positive squares in only one way, i.e., 6717769444 + 84125584 = 81962^2 + 9172^2 .

It is a super-2 number, since 2×6801895028² = 92531551943862241568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6801895021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 850236875 + ... + 850236882.

It is an arithmetic number, because the mean of its divisors is an integer number (1983886051).

Almost surely, 2^6801895028 is an apocalyptic number.

It is an amenable number.

6801895028 is a deficient number, since it is larger than the sum of its proper divisors (5101421278).

6801895028 is a wasteful number, since it uses less digits than its factorization.

6801895028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700473761 (or 1700473759 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 47.

The square root of 6801895028 is about 82473.6020069452. The cubic root of 6801895028 is about 1894.7124482057.

The spelling of 6801895028 in words is "six billion, eight hundred one million, eight hundred ninety-five thousand, twenty-eight".