1098212933 has 2 divisors, whose sum is σ = 1098212934. Its totient is φ = 1098212932.

The previous prime is 1098212917. The next prime is 1098212953. The reversal of 1098212933 is 3392128901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 615883489 + 482329444 = 24817^2 + 21962^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098212933 - 2⁴ = 1098212917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098212953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549106466 + 549106467.

It is an arithmetic number, because the mean of its divisors is an integer number (549106467).

Almost surely, 2^1098212933 is an apocalyptic number.

It is an amenable number.

1098212933 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098212933 is an equidigital number, since it uses as much as digits as its factorization.

1098212933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 1098212933 is about 33139.2959038058. The cubic root of 1098212933 is about 1031.7207961742.

The spelling of 1098212933 in words is "one billion, ninety-eight million, two hundred twelve thousand, nine hundred thirty-three".