4985361919 has 4 divisors (see below), whose sum is σ = 5034722040. Its totient is φ = 4936001800.

The previous prime is 4985361889. The next prime is 4985361943. The reversal of 4985361919 is 9191635894.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4985361919 - 2¹⁷ = 4985230847 is a prime.

It is a super-2 number, since 2×4985361919² = 49707666926830725122, which contains 22 as substring.

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 4985361919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4985161919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24679909 + ... + 24680110.

It is an arithmetic number, because the mean of its divisors is an integer number (1258680510).

Almost surely, 2^4985361919 is an apocalyptic number.

4985361919 is a deficient number, since it is larger than the sum of its proper divisors (49360121).

4985361919 is a wasteful number, since it uses less digits than its factorization.

4985361919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49360120.

The product of its digits is 2099520, while the sum is 55.

The square root of 4985361919 is about 70607.0953870785. The cubic root of 4985361919 is about 1708.3055978068.

The spelling of 4985361919 in words is "four billion, nine hundred eighty-five million, three hundred sixty-one thousand, nine hundred nineteen".