1921714849331 has 2 divisors, whose sum is σ = 1921714849332. Its totient is φ = 1921714849330.

The previous prime is 1921714849319. The next prime is 1921714849343. The reversal of 1921714849331 is 1339484171291.

It is a balanced prime because it is at equal distance from previous prime (1921714849319) and next prime (1921714849343).

It is a cyclic number.

It is not a de Polignac number, because 1921714849331 - 2¹⁸ = 1921714587187 is a prime.

It is a super-2 number, since 2×1921714849331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1921714849361) 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 as a sum of consecutive naturals, namely, 960857424665 + 960857424666.

It is an arithmetic number, because the mean of its divisors is an integer number (960857424666).

Almost surely, 2^{1921714849331} is an apocalyptic number.

1921714849331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1921714849331 is an equidigital number, since it uses as much as digits as its factorization.

1921714849331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 53.

The spelling of 1921714849331 in words is "one trillion, nine hundred twenty-one billion, seven hundred fourteen million, eight hundred forty-nine thousand, three hundred thirty-one".