6809402635 has 16 divisors (see below), whose sum is σ = 9514812096. Its totient is φ = 4581203328.

The previous prime is 6809402627. The next prime is 6809402641. The reversal of 6809402635 is 5362049086.

It is a cyclic number.

It is not a de Polignac number, because 6809402635 - 2³ = 6809402627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6809402591 and 6809402600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1833564 + ... + 1837273.

It is an arithmetic number, because the mean of its divisors is an integer number (594675756).

Almost surely, 2^6809402635 is an apocalyptic number.

6809402635 is a deficient number, since it is larger than the sum of its proper divisors (2705409461).

6809402635 is a wasteful number, since it uses less digits than its factorization.

6809402635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670902.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 6809402635 is about 82519.1046667376. The cubic root of 6809402635 is about 1895.4092896032.

The spelling of 6809402635 in words is "six billion, eight hundred nine million, four hundred two thousand, six hundred thirty-five".