6396464515 has 16 divisors (see below), whose sum is σ = 9055272960. Its totient is φ = 4244657760.

The previous prime is 6396464497. The next prime is 6396464521. The reversal of 6396464515 is 5154646936.

It is not a de Polignac number, because 6396464515 - 2¹¹ = 6396462467 is a prime.

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, 2946595 + ... + 2948764.

It is an arithmetic number, because the mean of its divisors is an integer number (565954560).

Almost surely, 2^6396464515 is an apocalyptic number.

6396464515 is a deficient number, since it is larger than the sum of its proper divisors (2658808445).

6396464515 is a wasteful number, since it uses less digits than its factorization.

6396464515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5895402.

The product of its digits is 2332800, while the sum is 49.

The square root of 6396464515 is about 79977.9001662334. The cubic root of 6396464515 is about 1856.2935898949.

The spelling of 6396464515 in words is "six billion, three hundred ninety-six million, four hundred sixty-four thousand, five hundred fifteen".