1399325321197 has 8 divisors (see below), whose sum is σ = 1404443804696. Its totient is φ = 1394207318592.

The previous prime is 1399325321161. The next prime is 1399325321201. The reversal of 1399325321197 is 7911235239931.

It can be written as a sum of positive squares in 4 ways, for example, as 35519433156 + 1363805888041 = 188466^2 + 1167821^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1399325321197 - 2¹¹ = 1399325319149 is a prime.

It is a super-2 number, since 2×1399325321197² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399325321297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6343723 + ... + 6560599.

It is an arithmetic number, because the mean of its divisors is an integer number (175555475587).

Almost surely, 2^{1399325321197} is an apocalyptic number.

It is an amenable number.

1399325321197 is a deficient number, since it is larger than the sum of its proper divisors (5118483499).

1399325321197 is a wasteful number, since it uses less digits than its factorization.

1399325321197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240447.

The product of its digits is 2755620, while the sum is 55.

The spelling of 1399325321197 in words is "one trillion, three hundred ninety-nine billion, three hundred twenty-five million, three hundred twenty-one thousand, one hundred ninety-seven".