4345912690489 has 2 divisors, whose sum is σ = 4345912690490. Its totient is φ = 4345912690488.

The previous prime is 4345912690487. The next prime is 4345912690517. The reversal of 4345912690489 is 9840962195434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4078925533225 + 266987157264 = 2019635^2 + 516708^2 .

It is a cyclic number.

It is not a de Polignac number, because 4345912690489 - 2¹ = 4345912690487 is a prime.

It is a super-2 number, since 2×4345912690489² (a number of 26 digits) contains 22 as substring.

Together with 4345912690487, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4345912690489.

It is not a weakly prime, because it can be changed into another prime (4345912690487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2172956345244 + 2172956345245.

It is an arithmetic number, because the mean of its divisors is an integer number (2172956345245).

Almost surely, 2^{4345912690489} is an apocalyptic number.

It is an amenable number.

4345912690489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4345912690489 is an equidigital number, since it uses as much as digits as its factorization.

4345912690489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67184640, while the sum is 64.

The spelling of 4345912690489 in words is "four trillion, three hundred forty-five billion, nine hundred twelve million, six hundred ninety thousand, four hundred eighty-nine".