1364665064321 has 12 divisors (see below), whose sum is σ = 1497956915628. Its totient is φ = 1242434778624.

The previous prime is 1364665064309. The next prime is 1364665064353. The reversal of 1364665064321 is 1234605664631.

It can be written as a sum of positive squares in 6 ways, for example, as 15954468721 + 1348710595600 = 126311^2 + 1161340^2 .

It is not a de Polignac number, because 1364665064321 - 2¹⁰ = 1364665063297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1364662064321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55295480 + ... + 55320153.

It is an arithmetic number, because the mean of its divisors is an integer number (124829742969).

Almost surely, 2^{1364665064321} is an apocalyptic number.

It is an amenable number.

1364665064321 is a deficient number, since it is larger than the sum of its proper divisors (133291851307).

1364665064321 is a wasteful number, since it uses less digits than its factorization.

1364665064321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110615732 (or 110615719 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 1364665064321 in words is "one trillion, three hundred sixty-four billion, six hundred sixty-five million, sixty-four thousand, three hundred twenty-one".