1084919916923 has 2 divisors, whose sum is σ = 1084919916924. Its totient is φ = 1084919916922.

The previous prime is 1084919916907. The next prime is 1084919916943. The reversal of 1084919916923 is 3296199194801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1084919916923 - 2⁴ = 1084919916907 is a prime.

It is a super-2 number, since 2×1084919916923² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1084919916943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542459958461 + 542459958462.

It is an arithmetic number, because the mean of its divisors is an integer number (542459958462).

Almost surely, 2^{1084919916923} is an apocalyptic number.

1084919916923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084919916923 is an equidigital number, since it uses as much as digits as its factorization.

1084919916923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7558272, while the sum is 62.

The spelling of 1084919916923 in words is "one trillion, eighty-four billion, nine hundred nineteen million, nine hundred sixteen thousand, nine hundred twenty-three".