2658241787 has 2 divisors, whose sum is σ = 2658241788. Its totient is φ = 2658241786.

The previous prime is 2658241769. The next prime is 2658241799. The reversal of 2658241787 is 7871428562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2658241787 - 2¹⁰ = 2658240763 is a prime.

It is not a weakly prime, because it can be changed into another prime (2658241387) 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 as a sum of consecutive naturals, namely, 1329120893 + 1329120894.

It is an arithmetic number, because the mean of its divisors is an integer number (1329120894).

Almost surely, 2^2658241787 is an apocalyptic number.

2658241787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2658241787 is an equidigital number, since it uses as much as digits as its factorization.

2658241787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1505280, while the sum is 50.

The square root of 2658241787 is about 51558.1398714112. The cubic root of 2658241787 is about 1385.2606367392.

The spelling of 2658241787 in words is "two billion, six hundred fifty-eight million, two hundred forty-one thousand, seven hundred eighty-seven".