4919759881 has 3 divisors (see below), whose sum is σ = 4919830023. Its totient is φ = 4919689740.

The previous prime is 4919759879. The next prime is 4919759891. The reversal of 4919759881 is 1889579194.

The square root of 4919759881 is 70141.

It is a perfect power (a square), and thus also a powerful number.

4919759881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3468149881 + 1451610000 = 58891^2 + 38100^2 .

It is not a de Polignac number, because 4919759881 - 2¹ = 4919759879 is a prime.

It is a super-2 number, since 2×4919759881² = 48408074573394268322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4919759891) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 35071 + ... + 105211.

It is an arithmetic number, because the mean of its divisors is an integer number (1639943341).

Almost surely, 2^4919759881 is an apocalyptic number.

4919759881 is the 70141-st square number.

4919759881 is the 35071-st centered octagonal number.

It is an amenable number.

4919759881 is a deficient number, since it is larger than the sum of its proper divisors (70142).

4919759881 is an frugal number, since it uses more digits than its factorization.

4919759881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140282 (or 70141 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 61.

The cubic root of 4919759881 is about 1700.7793290683.

The spelling of 4919759881 in words is "four billion, nine hundred nineteen million, seven hundred fifty-nine thousand, eight hundred eighty-one".