1098181914959 has 2 divisors, whose sum is σ = 1098181914960. Its totient is φ = 1098181914958.

The previous prime is 1098181914931. The next prime is 1098181914971. The reversal of 1098181914959 is 9594191818901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1098181914959 - 2³⁶ = 1029462438223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1098181914895 and 1098181914904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098181914059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549090957479 + 549090957480.

It is an arithmetic number, because the mean of its divisors is an integer number (549090957480).

Almost surely, 2^{1098181914959} is an apocalyptic number.

1098181914959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098181914959 is an equidigital number, since it uses as much as digits as its factorization.

1098181914959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8398080, while the sum is 65.

The spelling of 1098181914959 in words is "one trillion, ninety-eight billion, one hundred eighty-one million, nine hundred fourteen thousand, nine hundred fifty-nine".