6436465446 has 16 divisors (see below), whose sum is σ = 12878800704. Its totient is φ = 2144510184.

The previous prime is 6436465439. The next prime is 6436465471. The reversal of 6436465446 is 6445646346.

It is a junction number, because it is equal to n+sod(n) for n = 6436465395 and 6436465404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230256 + ... + 256691.

It is an arithmetic number, because the mean of its divisors is an integer number (804925044).

Almost surely, 2^6436465446 is an apocalyptic number.

6436465446 is an abundant number, since it is smaller than the sum of its proper divisors (6442335258).

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

6436465446 is a wasteful number, since it uses less digits than its factorization.

6436465446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489155.

The product of its digits is 4976640, while the sum is 48.

The square root of 6436465446 is about 80227.5853182682. The cubic root of 6436465446 is about 1860.1550576018.

Subtracting 6436465446 from its reverse (6445646346), we obtain a square (9180900 = 3030²).

The spelling of 6436465446 in words is "six billion, four hundred thirty-six million, four hundred sixty-five thousand, four hundred forty-six".