1098671741 has 2 divisors, whose sum is σ = 1098671742. Its totient is φ = 1098671740.

The previous prime is 1098671729. The next prime is 1098671771. The reversal of 1098671741 is 1471768901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 646939225 + 451732516 = 25435^2 + 21254^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098671741 - 2¹⁰ = 1098670717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1098671692 and 1098671701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098671701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549335870 + 549335871.

It is an arithmetic number, because the mean of its divisors is an integer number (549335871).

Almost surely, 2^1098671741 is an apocalyptic number.

It is an amenable number.

1098671741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098671741 is an equidigital number, since it uses as much as digits as its factorization.

1098671741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 44.

The square root of 1098671741 is about 33146.2175971860. The cubic root of 1098671741 is about 1031.8644525442.

The spelling of 1098671741 in words is "one billion, ninety-eight million, six hundred seventy-one thousand, seven hundred forty-one".