2048601665641 has 2 divisors, whose sum is σ = 2048601665642. Its totient is φ = 2048601665640.

The previous prime is 2048601665623. The next prime is 2048601665653. The reversal of 2048601665641 is 1465661068402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1861666496041 + 186935169600 = 1364429^2 + 432360^2 .

It is a cyclic number.

It is not a de Polignac number, because 2048601665641 - 2¹³ = 2048601657449 is a prime.

It is not a weakly prime, because it can be changed into another prime (2048601165641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024300832820 + 1024300832821.

It is an arithmetic number, because the mean of its divisors is an integer number (1024300832821).

Almost surely, 2^{2048601665641} is an apocalyptic number.

It is an amenable number.

2048601665641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2048601665641 is an equidigital number, since it uses as much as digits as its factorization.

2048601665641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 2048601665641 in words is "two trillion, forty-eight billion, six hundred one million, six hundred sixty-five thousand, six hundred forty-one".