6465604330 has 16 divisors (see below), whose sum is σ = 11665739304. Its totient is φ = 2580096960.

The previous prime is 6465604283. The next prime is 6465604349. The reversal of 6465604330 is 334065646.

It can be written as a sum of positive squares in 4 ways, for example, as 1845819369 + 4619784961 = 42963^2 + 67969^2 .

It is a super-2 number, since 2×6465604330² = 83608078704229497800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6465604330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763677 + ... + 772096.

Almost surely, 2^6465604330 is an apocalyptic number.

6465604330 is a deficient number, since it is larger than the sum of its proper divisors (5200134974).

6465604330 is a wasteful number, since it uses less digits than its factorization.

6465604330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536201.

The product of its (nonzero) digits is 155520, while the sum is 37.

The square root of 6465604330 is about 80408.9816500620. The cubic root of 6465604330 is about 1862.9579029984.

Adding to 6465604330 its reverse (334065646), we get a palindrome (6799669976).

The spelling of 6465604330 in words is "six billion, four hundred sixty-five million, six hundred four thousand, three hundred thirty".