13550313289 has 2 divisors, whose sum is σ = 13550313290. Its totient is φ = 13550313288.

The previous prime is 13550313269. The next prime is 13550313319. The reversal of 13550313289 is 98231305531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13399220025 + 151093264 = 115755^2 + 12292^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13550313289 is a prime.

It is a super-2 number, since 2×13550313289² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13550313269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6775156644 + 6775156645.

It is an arithmetic number, because the mean of its divisors is an integer number (6775156645).

Almost surely, 2^13550313289 is an apocalyptic number.

It is an amenable number.

13550313289 is a deficient number, since it is larger than the sum of its proper divisors (1).

13550313289 is an equidigital number, since it uses as much as digits as its factorization.

13550313289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 13550313289 in words is "thirteen billion, five hundred fifty million, three hundred thirteen thousand, two hundred eighty-nine".