6406319475 has 36 divisors (see below), whose sum is σ = 11479077792. Its totient is φ = 3415320000.

The previous prime is 6406319461. The next prime is 6406319483. The reversal of 6406319475 is 5749136046.

6406319475 is a `hidden beast` number, since 6 + 4 + 0 + 631 + 9 + 4 + 7 + 5 = 666.

It is not a de Polignac number, because 6406319475 - 2⁶ = 6406319411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6406319475.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 801750 + ... + 809700.

It is an arithmetic number, because the mean of its divisors is an integer number (318863272).

Almost surely, 2^6406319475 is an apocalyptic number.

6406319475 is a deficient number, since it is larger than the sum of its proper divisors (5072758317).

6406319475 is a wasteful number, since it uses less digits than its factorization.

6406319475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11548 (or 11540 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 6406319475 is about 80039.4869736182. The cubic root of 6406319475 is about 1857.2464241834.

It can be divided in two parts, 64063 and 19475, that added together give a palindrome (83538).

The spelling of 6406319475 in words is "six billion, four hundred six million, three hundred nineteen thousand, four hundred seventy-five".