1327771342919 has 16 divisors (see below), whose sum is σ = 1525010538240. Its totient is φ = 1132430544000.

The previous prime is 1327771342861. The next prime is 1327771342939. The reversal of 1327771342919 is 9192431777231.

It is not a de Polignac number, because 1327771342919 - 2⁸ = 1327771342663 is a prime.

It is a super-2 number, since 2×1327771342919² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327771342939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1398332 + ... + 2147294.

It is an arithmetic number, because the mean of its divisors is an integer number (95313158640).

Almost surely, 2^{1327771342919} is an apocalyptic number.

1327771342919 is a deficient number, since it is larger than the sum of its proper divisors (197239195321).

1327771342919 is a wasteful number, since it uses less digits than its factorization.

1327771342919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750230.

The product of its digits is 4000752, while the sum is 56.

The spelling of 1327771342919 in words is "one trillion, three hundred twenty-seven billion, seven hundred seventy-one million, three hundred forty-two thousand, nine hundred nineteen".