1882287961291 has 2 divisors, whose sum is σ = 1882287961292. Its totient is φ = 1882287961290.

The previous prime is 1882287961193. The next prime is 1882287961361. The reversal of 1882287961291 is 1921697822881.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1882287961291 - 2¹⁵ = 1882287928523 is a prime.

It is a super-2 number, since 2×1882287961291² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1882287965291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 941143980645 + 941143980646.

It is an arithmetic number, because the mean of its divisors is an integer number (941143980646).

Almost surely, 2^{1882287961291} is an apocalyptic number.

1882287961291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1882287961291 is an equidigital number, since it uses as much as digits as its factorization.

1882287961291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13934592, while the sum is 64.

The spelling of 1882287961291 in words is "one trillion, eight hundred eighty-two billion, two hundred eighty-seven million, nine hundred sixty-one thousand, two hundred ninety-one".