289642966801 has 2 divisors, whose sum is σ = 289642966802. Its totient is φ = 289642966800.

The previous prime is 289642966759. The next prime is 289642966829. The reversal of 289642966801 is 108669246982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 277455027600 + 12187939201 = 526740^2 + 110399^2 .

It is a cyclic number.

It is not a de Polignac number, because 289642966801 - 2¹¹ = 289642964753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 289642966801.

It is not a weakly prime, because it can be changed into another prime (289642966831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144821483400 + 144821483401.

It is an arithmetic number, because the mean of its divisors is an integer number (144821483401).

Almost surely, 2^289642966801 is an apocalyptic number.

It is an amenable number.

289642966801 is a deficient number, since it is larger than the sum of its proper divisors (1).

289642966801 is an equidigital number, since it uses as much as digits as its factorization.

289642966801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17915904, while the sum is 61.

The spelling of 289642966801 in words is "two hundred eighty-nine billion, six hundred forty-two million, nine hundred sixty-six thousand, eight hundred one".