1098914461 has 2 divisors, whose sum is σ = 1098914462. Its totient is φ = 1098914460.

The previous prime is 1098914359. The next prime is 1098914501. The reversal of 1098914461 is 1644198901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1055275225 + 43639236 = 32485^2 + 6606^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098914461 - 2¹³ = 1098906269 is a prime.

It is a super-2 number, since 2×1098914461² = 2415225985189841042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098917461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549457230 + 549457231.

It is an arithmetic number, because the mean of its divisors is an integer number (549457231).

Almost surely, 2^1098914461 is an apocalyptic number.

It is an amenable number.

1098914461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098914461 is an equidigital number, since it uses as much as digits as its factorization.

1098914461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 1098914461 is about 33149.8787478929. The cubic root of 1098914461 is about 1031.9404338980.

The spelling of 1098914461 in words is "one billion, ninety-eight million, nine hundred fourteen thousand, four hundred sixty-one".