4201154990689 has 2 divisors, whose sum is σ = 4201154990690. Its totient is φ = 4201154990688.

The previous prime is 4201154990671. The next prime is 4201154990719. The reversal of 4201154990689 is 9860994511024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4079975811025 + 121179179664 = 2019895^2 + 348108^2 .

It is a cyclic number.

It is not a de Polignac number, because 4201154990689 - 2⁹ = 4201154990177 is a prime.

It is not a weakly prime, because it can be changed into another prime (4201154999689) 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, 2100577495344 + 2100577495345.

It is an arithmetic number, because the mean of its divisors is an integer number (2100577495345).

Almost surely, 2^{4201154990689} is an apocalyptic number.

It is an amenable number.

4201154990689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4201154990689 is an equidigital number, since it uses as much as digits as its factorization.

4201154990689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 58.

The spelling of 4201154990689 in words is "four trillion, two hundred one billion, one hundred fifty-four million, nine hundred ninety thousand, six hundred eighty-nine".