6425136685 has 8 divisors (see below), whose sum is σ = 8411088096. Its totient is φ = 4672826640.

The previous prime is 6425136661. The next prime is 6425136703. The reversal of 6425136685 is 5866315246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6425136685 - 2¹¹ = 6425134637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58410279 + ... + 58410388.

It is an arithmetic number, because the mean of its divisors is an integer number (1051386012).

Almost surely, 2^6425136685 is an apocalyptic number.

It is an amenable number.

6425136685 is a deficient number, since it is larger than the sum of its proper divisors (1985951411).

6425136685 is a wasteful number, since it uses less digits than its factorization.

6425136685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116820683.

The product of its digits is 1036800, while the sum is 46.

The square root of 6425136685 is about 80156.9503224767. The cubic root of 6425136685 is about 1859.0630696693.

The spelling of 6425136685 in words is "six billion, four hundred twenty-five million, one hundred thirty-six thousand, six hundred eighty-five".