1033898389 has 2 divisors, whose sum is σ = 1033898390. Its totient is φ = 1033898388.

The previous prime is 1033898377. The next prime is 1033898399. The reversal of 1033898389 is 9838983301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 787251364 + 246647025 = 28058^2 + 15705^2 .

It is a cyclic number.

It is not a de Polignac number, because 1033898389 - 2²⁵ = 1000343957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1033898309) 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, 516949194 + 516949195.

It is an arithmetic number, because the mean of its divisors is an integer number (516949195).

Almost surely, 2^1033898389 is an apocalyptic number.

It is an amenable number.

1033898389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1033898389 is an equidigital number, since it uses as much as digits as its factorization.

1033898389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 1033898389 is about 32154.2903669168. The cubic root of 1033898389 is about 1011.1741365988.

The spelling of 1033898389 in words is "one billion, thirty-three million, eight hundred ninety-eight thousand, three hundred eighty-nine".