4672120642489 has 2 divisors, whose sum is σ = 4672120642490. Its totient is φ = 4672120642488.

The previous prime is 4672120642487. The next prime is 4672120642517. The reversal of 4672120642489 is 9842460212764.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3683647234089 + 988473408400 = 1919283^2 + 994220^2 .

It is a cyclic number.

It is not a de Polignac number, because 4672120642489 - 2¹ = 4672120642487 is a prime.

It is a super-2 number, since 2×4672120642489² (a number of 26 digits) contains 22 as substring.

Together with 4672120642487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4672120642487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2336060321244 + 2336060321245.

It is an arithmetic number, because the mean of its divisors is an integer number (2336060321245).

Almost surely, 2^{4672120642489} is an apocalyptic number.

It is an amenable number.

4672120642489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4672120642489 is an equidigital number, since it uses as much as digits as its factorization.

4672120642489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 4672120642489 in words is "four trillion, six hundred seventy-two billion, one hundred twenty million, six hundred forty-two thousand, four hundred eighty-nine".