6406683475 has 6 divisors (see below), whose sum is σ = 7944287540. Its totient is φ = 5125346760.

The previous prime is 6406683469. The next prime is 6406683487. The reversal of 6406683475 is 5743866046.

It is not a de Polignac number, because 6406683475 - 2³ = 6406683467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128133645 + ... + 128133694.

Almost surely, 2^6406683475 is an apocalyptic number.

6406683475 is a deficient number, since it is larger than the sum of its proper divisors (1537604065).

6406683475 is a wasteful number, since it uses less digits than its factorization.

6406683475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256267349 (or 256267344 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

The square root of 6406683475 is about 80041.7608189625. The cubic root of 6406683475 is about 1857.2815990810.

The spelling of 6406683475 in words is "six billion, four hundred six million, six hundred eighty-three thousand, four hundred seventy-five".