1326345971377 has 8 divisors (see below), whose sum is σ = 1518406295616. Its totient is φ = 1134931229232.

The previous prime is 1326345971371. The next prime is 1326345971383. The reversal of 1326345971377 is 7731795436231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1326345971371) and next prime (1326345971383).

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 1326345971377 - 2¹⁵ = 1326345938609 is a prime.

It is a super-2 number, since 2×1326345971377² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1326345971371) 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, 161391118 + ... + 161399335.

It is an arithmetic number, because the mean of its divisors is an integer number (189800786952).

Almost surely, 2^{1326345971377} is an apocalyptic number.

It is an amenable number.

1326345971377 is a deficient number, since it is larger than the sum of its proper divisors (192060324239).

1326345971377 is an equidigital number, since it uses as much as digits as its factorization.

1326345971377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322791047.

The product of its digits is 20003760, while the sum is 58.

The spelling of 1326345971377 in words is "one trillion, three hundred twenty-six billion, three hundred forty-five million, nine hundred seventy-one thousand, three hundred seventy-seven".