364438545834449 has 2 divisors, whose sum is σ = 364438545834450. Its totient is φ = 364438545834448.

The previous prime is 364438545834361. The next prime is 364438545834499. The reversal of 364438545834449 is 944438545834463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213643387737025 + 150795158097424 = 14616545^2 + 12279868^2 .

It is an emirp because it is prime and its reverse (944438545834463) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-364438545834449 is a prime.

It is not a weakly prime, because it can be changed into another prime (364438545834499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182219272917224 + 182219272917225.

It is an arithmetic number, because the mean of its divisors is an integer number (182219272917225).

Almost surely, 2^{364438545834449} is an apocalyptic number.

It is an amenable number.

364438545834449 is a deficient number, since it is larger than the sum of its proper divisors (1).

364438545834449 is an equidigital number, since it uses as much as digits as its factorization.

364438545834449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9555148800, while the sum is 74.

The spelling of 364438545834449 in words is "three hundred sixty-four trillion, four hundred thirty-eight billion, five hundred forty-five million, eight hundred thirty-four thousand, four hundred forty-nine".