214640246303489 has 2 divisors, whose sum is σ = 214640246303490. Its totient is φ = 214640246303488.

The previous prime is 214640246303473. The next prime is 214640246303611. The reversal of 214640246303489 is 984303642046412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202180899455089 + 12459346848400 = 14219033^2 + 3529780^2 .

It is a cyclic number.

It is not a de Polignac number, because 214640246303489 - 2⁴ = 214640246303473 is a prime.

It is not a weakly prime, because it can be changed into another prime (214640246305489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107320123151744 + 107320123151745.

It is an arithmetic number, because the mean of its divisors is an integer number (107320123151745).

Almost surely, 2^{214640246303489} is an apocalyptic number.

It is an amenable number.

214640246303489 is a deficient number, since it is larger than the sum of its proper divisors (1).

214640246303489 is an equidigital number, since it uses as much as digits as its factorization.

214640246303489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23887872, while the sum is 56.

The spelling of 214640246303489 in words is "two hundred fourteen trillion, six hundred forty billion, two hundred forty-six million, three hundred three thousand, four hundred eighty-nine".