6345986450 has 24 divisors (see below), whose sum is σ = 11830463040. Its totient is φ = 2532603600.

The previous prime is 6345986417. The next prime is 6345986459. The reversal of 6345986450 is 546895436.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (6345986459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122606 + ... + 166505.

It is an arithmetic number, because the mean of its divisors is an integer number (492935960).

Almost surely, 2^6345986450 is an apocalyptic number.

6345986450 is a deficient number, since it is larger than the sum of its proper divisors (5484476590).

6345986450 is a wasteful number, since it uses less digits than its factorization.

6345986450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289562 (or 289557 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 50.

The square root of 6345986450 is about 79661.7000195200. The cubic root of 6345986450 is about 1851.3976727932.

It can be divided in two parts, 6345986 and 450, that added together give a palindrome (6346436).

The spelling of 6345986450 in words is "six billion, three hundred forty-five million, nine hundred eighty-six thousand, four hundred fifty".