1324655977969 has 27 divisors (see below), whose sum is σ = 1383935849163. Its totient is φ = 1267872199200.

The previous prime is 1324655977963. The next prime is 1324655977999. The reversal of 1324655977969 is 9697795564231.

The square root of 1324655977969 is 1150937.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 778109231025 + 546546746944 = 882105^2 + 739288^2 .

It is not a de Polignac number, because 1324655977969 - 2²¹ = 1324653880817 is a prime.

It is a super-2 number, since 2×1324655977969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1324655977963) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4888029304 + ... + 4888029574.

Almost surely, 2^{1324655977969} is an apocalyptic number.

1324655977969 is the 1150937-th square number.

1324655977969 is the 575469-th centered octagonal number.

It is an amenable number.

1324655977969 is a deficient number, since it is larger than the sum of its proper divisors (59279871194).

1324655977969 is an frugal number, since it uses more digits than its factorization.

1324655977969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 439 counting only the distinct ones).

The product of its digits is 771573600, while the sum is 73.

The spelling of 1324655977969 in words is "one trillion, three hundred twenty-four billion, six hundred fifty-five million, nine hundred seventy-seven thousand, nine hundred sixty-nine".