1098272873 has 2 divisors, whose sum is σ = 1098272874. Its totient is φ = 1098272872.

The previous prime is 1098272843. The next prime is 1098272927. The reversal of 1098272873 is 3782728901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1083923929 + 14348944 = 32923^2 + 3788^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098272873 - 2¹⁰ = 1098271849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1098272803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549136436 + 549136437.

It is an arithmetic number, because the mean of its divisors is an integer number (549136437).

Almost surely, 2^1098272873 is an apocalyptic number.

It is an amenable number.

1098272873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098272873 is an equidigital number, since it uses as much as digits as its factorization.

1098272873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 1098272873 is about 33140.2002558826. The cubic root of 1098272873 is about 1031.7395661284.

The spelling of 1098272873 in words is "one billion, ninety-eight million, two hundred seventy-two thousand, eight hundred seventy-three".