6406254605 has 8 divisors (see below), whose sum is σ = 8092111200. Its totient is φ = 4855266576.

The previous prime is 6406254593. The next prime is 6406254661. The reversal of 6406254605 is 5064526046.

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

It is a cyclic number.

It is not a de Polignac number, because 6406254605 - 2²⁶ = 6339145741 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33717035 + ... + 33717224.

It is an arithmetic number, because the mean of its divisors is an integer number (1011513900).

Almost surely, 2^6406254605 is an apocalyptic number.

It is an amenable number.

6406254605 is a deficient number, since it is larger than the sum of its proper divisors (1685856595).

6406254605 is a wasteful number, since it uses less digits than its factorization.

6406254605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67434283.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 6406254605 is about 80039.0817351124. The cubic root of 6406254605 is about 1857.2401553743.

The spelling of 6406254605 in words is "six billion, four hundred six million, two hundred fifty-four thousand, six hundred five".