1682391061619 has 2 divisors, whose sum is σ = 1682391061620. Its totient is φ = 1682391061618.

The previous prime is 1682391061579. The next prime is 1682391061721. The reversal of 1682391061619 is 9161601932861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1682391061619 - 2²⁰ = 1682390013043 is a prime.

It is a super-2 number, since 2×1682391061619² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1682391061019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841195530809 + 841195530810.

It is an arithmetic number, because the mean of its divisors is an integer number (841195530810).

Almost surely, 2^{1682391061619} is an apocalyptic number.

1682391061619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1682391061619 is an equidigital number, since it uses as much as digits as its factorization.

1682391061619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 53.

The spelling of 1682391061619 in words is "one trillion, six hundred eighty-two billion, three hundred ninety-one million, sixty-one thousand, six hundred nineteen".