6406935275 has 24 divisors (see below), whose sum is σ = 8676257184. Its totient is φ = 4664620800.

The previous prime is 6406935259. The next prime is 6406935277. The reversal of 6406935275 is 5725396046.

It is not a de Polignac number, because 6406935275 - 2⁴ = 6406935259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6406935277) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 115754 + ... + 161903.

It is an arithmetic number, because the mean of its divisors is an integer number (361510716).

Almost surely, 2^6406935275 is an apocalyptic number.

6406935275 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6406935275 is a deficient number, since it is larger than the sum of its proper divisors (2269321909).

6406935275 is a wasteful number, since it uses less digits than its factorization.

6406935275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277751 (or 277746 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 47.

The square root of 6406935275 is about 80043.3337324227. Note that the first 3 decimals coincide. The cubic root of 6406935275 is about 1857.3059308268.

The spelling of 6406935275 in words is "six billion, four hundred six million, nine hundred thirty-five thousand, two hundred seventy-five".