4458309646 has 16 divisors (see below), whose sum is σ = 7643702880. Its totient is φ = 1910482560.

The previous prime is 4458309643. The next prime is 4458309683. The reversal of 4458309646 is 6469038544.

It is a self number, because there is not a number n which added to its sum of digits gives 4458309646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4458309641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180490 + ... + 203698.

It is an arithmetic number, because the mean of its divisors is an integer number (477731430).

Almost surely, 2^4458309646 is an apocalyptic number.

4458309646 is a deficient number, since it is larger than the sum of its proper divisors (3185393234).

4458309646 is a wasteful number, since it uses less digits than its factorization.

4458309646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36939.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The square root of 4458309646 is about 66770.5747017352. The cubic root of 4458309646 is about 1645.8493344089.

The spelling of 4458309646 in words is "four billion, four hundred fifty-eight million, three hundred nine thousand, six hundred forty-six".