6345433458 has 384 divisors, whose sum is σ = 18946368000. Its totient is φ = 1563722496.

The previous prime is 6345433433. The next prime is 6345433463. The reversal of 6345433458 is 8543345436.

6345433458 is a `hidden beast` number, since 63 + 4 + 543 + 3 + 45 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 86923710 + ... + 86923782.

It is an arithmetic number, because the mean of its divisors is an integer number (49339500).

Almost surely, 2^6345433458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6345433458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9473184000).

6345433458 is an abundant number, since it is smaller than the sum of its proper divisors (12600934542).

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

6345433458 is a wasteful number, since it uses less digits than its factorization.

6345433458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 117 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The square root of 6345433458 is about 79658.2290664310. The cubic root of 6345433458 is about 1851.3438940335.

The spelling of 6345433458 in words is "six billion, three hundred forty-five million, four hundred thirty-three thousand, four hundred fifty-eight".