2140719521 has 2 divisors, whose sum is σ = 2140719522. Its totient is φ = 2140719520.

The previous prime is 2140719467. The next prime is 2140719527. The reversal of 2140719521 is 1259170412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2039515921 + 101203600 = 45161^2 + 10060^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140719521 - 2¹⁰ = 2140718497 is a prime.

It is not a weakly prime, because it can be changed into another prime (2140719527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070359760 + 1070359761.

It is an arithmetic number, because the mean of its divisors is an integer number (1070359761).

Almost surely, 2^2140719521 is an apocalyptic number.

It is an amenable number.

2140719521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140719521 is an equidigital number, since it uses as much as digits as its factorization.

2140719521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 2140719521 is about 46267.9102726717. The cubic root of 2140719521 is about 1288.8031526868.

Adding to 2140719521 its reverse (1259170412), we get a palindrome (3399889933).

The spelling of 2140719521 in words is "two billion, one hundred forty million, seven hundred nineteen thousand, five hundred twenty-one".