4457963818 has 64 divisors (see below), whose sum is σ = 8570769408. Its totient is φ = 1688656320.

The previous prime is 4457963767. The next prime is 4457963827. The reversal of 4457963818 is 8183697544.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1134405 + ... + 1138327.

It is an arithmetic number, because the mean of its divisors is an integer number (133918272).

Almost surely, 2^4457963818 is an apocalyptic number.

4457963818 is a deficient number, since it is larger than the sum of its proper divisors (4112805590).

4457963818 is a wasteful number, since it uses less digits than its factorization.

4457963818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147.

The product of its digits is 5806080, while the sum is 55.

The square root of 4457963818 is about 66767.9849778320. The cubic root of 4457963818 is about 1645.8067775098.

The spelling of 4457963818 in words is "four billion, four hundred fifty-seven million, nine hundred sixty-three thousand, eight hundred eighteen".