6434064450 has 72 divisors (see below), whose sum is σ = 18857672496. Its totient is φ = 1559772000.

The previous prime is 6434064397. The next prime is 6434064463. The reversal of 6434064450 is 544604346.

6434064450 is a `hidden beast` number, since 6 + 4 + 3 + 4 + 0 + 644 + 5 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 644956 + ... + 654855.

It is an arithmetic number, because the mean of its divisors is an integer number (261912118).

Almost surely, 2^6434064450 is an apocalyptic number.

6434064450 is an abundant number, since it is smaller than the sum of its proper divisors (12423608046).

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

6434064450 is a wasteful number, since it uses less digits than its factorization.

6434064450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299840 (or 1299832 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 6434064450 is about 80212.6202663895. The cubic root of 6434064450 is about 1859.9237308303.

Adding to 6434064450 its reverse (544604346), we get a palindrome (6978668796).

The spelling of 6434064450 in words is "six billion, four hundred thirty-four million, sixty-four thousand, four hundred fifty".