6465363630 has 32 divisors (see below), whose sum is σ = 16927498368. Its totient is φ = 1567360800.

The previous prime is 6465363581. The next prime is 6465363637. The reversal of 6465363630 is 363635646.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6465363637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9795676 + ... + 9796335.

It is an arithmetic number, because the mean of its divisors is an integer number (528984324).

Almost surely, 2^6465363630 is an apocalyptic number.

6465363630 is an abundant number, since it is smaller than the sum of its proper divisors (10462134738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6465363630 is a wasteful number, since it uses less digits than its factorization.

6465363630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19592032.

The product of its (nonzero) digits is 699840, while the sum is 42.

The square root of 6465363630 is about 80407.4849127866. The cubic root of 6465363630 is about 1862.9347847917.

The spelling of 6465363630 in words is "six billion, four hundred sixty-five million, three hundred sixty-three thousand, six hundred thirty".