133763347628489 has 2 divisors, whose sum is σ = 133763347628490. Its totient is φ = 133763347628488.

The previous prime is 133763347628387. The next prime is 133763347628579. The reversal of 133763347628489 is 984826743367331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120181668307600 + 13581679320889 = 10962740^2 + 3685333^2 .

It is an emirp because it is prime and its reverse (984826743367331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133763347628489 - 2⁸ = 133763347628233 is a prime.

It is not a weakly prime, because it can be changed into another prime (133763347678489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66881673814244 + 66881673814245.

It is an arithmetic number, because the mean of its divisors is an integer number (66881673814245).

Almost surely, 2^{133763347628489} is an apocalyptic number.

It is an amenable number.

133763347628489 is a deficient number, since it is larger than the sum of its proper divisors (1).

133763347628489 is an equidigital number, since it uses as much as digits as its factorization.

133763347628489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2633637888, while the sum is 74.

The spelling of 133763347628489 in words is "one hundred thirty-three trillion, seven hundred sixty-three billion, three hundred forty-seven million, six hundred twenty-eight thousand, four hundred eighty-nine".