6867436901 has 16 divisors (see below), whose sum is σ = 7837346160. Its totient is φ = 5971284480.

The previous prime is 6867436889. The next prime is 6867436903. The reversal of 6867436901 is 1096347686.

It is a Cunningham number, because it is equal to 82870²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 880546276 + 5986890625 = 29674^2 + 77375^2 .

It is a cyclic number.

It is not a de Polignac number, because 6867436901 - 2¹⁰ = 6867435877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6867436901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6867436903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206690 + ... + 237603.

It is an arithmetic number, because the mean of its divisors is an integer number (489834135).

Almost surely, 2^6867436901 is an apocalyptic number.

It is an amenable number.

6867436901 is a deficient number, since it is larger than the sum of its proper divisors (969909259).

6867436901 is a wasteful number, since it uses less digits than its factorization.

6867436901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444376.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 6867436901 is about 82870.0000060335. Note that the first 5 decimals coincide. The cubic root of 6867436901 is about 1900.7787113663.

The spelling of 6867436901 in words is "six billion, eight hundred sixty-seven million, four hundred thirty-six thousand, nine hundred one".