1369810411321 has 27 divisors (see below), whose sum is σ = 1521892625967. Its totient is φ = 1231998276960.

The previous prime is 1369810411297. The next prime is 1369810411339. The reversal of 1369810411321 is 1231140189631.

The square root of 1369810411321 is 1170389.

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., 1322488500025 + 47321911296 = 1149995^2 + 217536^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1369810411321 is a prime.

It is a super-3 number, since 3×1369810411321³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1369810411121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1326050221 + ... + 1326051253.

Almost surely, 2^{1369810411321} is an apocalyptic number.

1369810411321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1369810411321 is the 1170389-th square number.

1369810411321 is the 585195-th centered octagonal number.

It is an amenable number.

1369810411321 is a deficient number, since it is larger than the sum of its proper divisors (152082214646).

1369810411321 is an frugal number, since it uses more digits than its factorization.

1369810411321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 1369810411321 in words is "one trillion, three hundred sixty-nine billion, eight hundred ten million, four hundred eleven thousand, three hundred twenty-one".