4890344761 has 3 divisors (see below), whose sum is σ = 4890414693. Its totient is φ = 4890274830.

The previous prime is 4890344749. The next prime is 4890344777. The reversal of 4890344761 is 1674430984.

The square root of 4890344761 is 69931.

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

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 is not a de Polignac number, because 4890344761 - 2⁷ = 4890344633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4890344161) 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 2 ways as a sum of consecutive naturals, for example, 34966 + ... + 104896.

It is an arithmetic number, because the mean of its divisors is an integer number (1630138231).

Almost surely, 2^4890344761 is an apocalyptic number.

4890344761 is the 69931-st square number.

4890344761 is the 34966-th centered octagonal number.

It is an amenable number.

4890344761 is a deficient number, since it is larger than the sum of its proper divisors (69932).

4890344761 is an frugal number, since it uses more digits than its factorization.

4890344761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139862 (or 69931 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The cubic root of 4890344761 is about 1697.3829121414.

The spelling of 4890344761 in words is "four billion, eight hundred ninety million, three hundred forty-four thousand, seven hundred sixty-one".