6406265215 has 16 divisors (see below), whose sum is σ = 8798160960. Its totient is φ = 4386654720.

The previous prime is 6406265197. The next prime is 6406265267. The reversal of 6406265215 is 5125626046.

It is not a de Polignac number, because 6406265215 - 2¹¹ = 6406263167 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104266 + ... + 153895.

It is an arithmetic number, because the mean of its divisors is an integer number (549885060).

Almost surely, 2^6406265215 is an apocalyptic number.

6406265215 is a deficient number, since it is larger than the sum of its proper divisors (2391895745).

6406265215 is a wasteful number, since it uses less digits than its factorization.

6406265215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258882.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 6406265215 is about 80039.1480152057. The cubic root of 6406265215 is about 1857.2411806903.

The spelling of 6406265215 in words is "six billion, four hundred six million, two hundred sixty-five thousand, two hundred fifteen".