330145255549 has 2 divisors, whose sum is σ = 330145255550. Its totient is φ = 330145255548.

The previous prime is 330145255541. The next prime is 330145255579. The reversal of 330145255549 is 945552541033.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 298383600025 + 31761655524 = 546245^2 + 178218^2 .

It is a cyclic number.

It is not a de Polignac number, because 330145255549 - 2³ = 330145255541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 330145255499 and 330145255508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330145255541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165072627774 + 165072627775.

It is an arithmetic number, because the mean of its divisors is an integer number (165072627775).

Almost surely, 2^330145255549 is an apocalyptic number.

It is an amenable number.

330145255549 is a deficient number, since it is larger than the sum of its proper divisors (1).

330145255549 is an equidigital number, since it uses as much as digits as its factorization.

330145255549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620000, while the sum is 46.

The spelling of 330145255549 in words is "three hundred thirty billion, one hundred forty-five million, two hundred fifty-five thousand, five hundred forty-nine".