6465896290 has 32 divisors (see below), whose sum is σ = 13304041344. Its totient is φ = 2216417280.

The previous prime is 6465896243. The next prime is 6465896299. The reversal of 6465896290 is 926985646.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6465896299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651042 + ... + 660898.

It is an arithmetic number, because the mean of its divisors is an integer number (415751292).

Almost surely, 2^6465896290 is an apocalyptic number.

6465896290 is an abundant number, since it is smaller than the sum of its proper divisors (6838145054).

6465896290 is a wasteful number, since it uses less digits than its factorization.

6465896290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19242.

The product of its (nonzero) digits is 5598720, while the sum is 55.

The square root of 6465896290 is about 80410.7970983997. The cubic root of 6465896290 is about 1862.9859437391.

The spelling of 6465896290 in words is "six billion, four hundred sixty-five million, eight hundred ninety-six thousand, two hundred ninety".