4987325641 has 3 divisors (see below), whose sum is σ = 4987396263. Its totient is φ = 4987255020.

The previous prime is 4987325593. The next prime is 4987325659. The reversal of 4987325641 is 1465237894.

It is a happy number.

The square root of 4987325641 is 70621.

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 can be written as a sum of positive squares in only one way, i.e., 4306115641 + 681210000 = 65621^2 + 26100^2 .

It is not a de Polignac number, because 4987325641 - 2¹⁹ = 4986801353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4987325041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 35311 + ... + 105931.

It is an arithmetic number, because the mean of its divisors is an integer number (1662465421).

Almost surely, 2^4987325641 is an apocalyptic number.

4987325641 is the 70621-st square number.

4987325641 is the 35311-st centered octagonal number.

It is an amenable number.

4987325641 is a deficient number, since it is larger than the sum of its proper divisors (70622).

4987325641 is an frugal number, since it uses more digits than its factorization.

4987325641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141242 (or 70621 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The cubic root of 4987325641 is about 1708.5298675105.

Multiplying 4987325641 by its sum of digits (49), we get a square (244378956409 = 494347²).

The spelling of 4987325641 in words is "four billion, nine hundred eighty-seven million, three hundred twenty-five thousand, six hundred forty-one".