4905553993 has 16 divisors (see below), whose sum is σ = 5077359936. Its totient is φ = 4736571840.

The previous prime is 4905553973. The next prime is 4905554029. The reversal of 4905553993 is 3993555094.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4905553993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4905553993.

It is not an unprimeable number, because it can be changed into a prime (4905553903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3040455 + ... + 3042067.

It is an arithmetic number, because the mean of its divisors is an integer number (317334996).

Almost surely, 2^4905553993 is an apocalyptic number.

4905553993 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

4905553993 is a deficient number, since it is larger than the sum of its proper divisors (171805943).

4905553993 is a wasteful number, since it uses less digits than its factorization.

4905553993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424.

The product of its (nonzero) digits is 3280500, while the sum is 52.

The square root of 4905553993 is about 70039.6601433788. The cubic root of 4905553993 is about 1699.1407414274.

The spelling of 4905553993 in words is "four billion, nine hundred five million, five hundred fifty-three thousand, nine hundred ninety-three".