2663689141 has 2 divisors, whose sum is σ = 2663689142. Its totient is φ = 2663689140.

The previous prime is 2663689123. The next prime is 2663689151. The reversal of 2663689141 is 1419863662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1718434116 + 945255025 = 41454^2 + 30745^2 .

It is a cyclic number.

It is not a de Polignac number, because 2663689141 - 2¹⁷ = 2663558069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2663689091 and 2663689100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2663689111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331844570 + 1331844571.

It is an arithmetic number, because the mean of its divisors is an integer number (1331844571).

Almost surely, 2^2663689141 is an apocalyptic number.

It is an amenable number.

2663689141 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663689141 is an equidigital number, since it uses as much as digits as its factorization.

2663689141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 46.

The square root of 2663689141 is about 51610.9401290075. The cubic root of 2663689141 is about 1386.2062312373.

The spelling of 2663689141 in words is "two billion, six hundred sixty-three million, six hundred eighty-nine thousand, one hundred forty-one".