33230537689 has 2 divisors, whose sum is σ = 33230537690. Its totient is φ = 33230537688.

The previous prime is 33230537663. The next prime is 33230537713. The reversal of 33230537689 is 98673503233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24180250000 + 9050287689 = 155500^2 + 95133^2 .

It is a cyclic number.

It is not a de Polignac number, because 33230537689 - 2¹⁵ = 33230504921 is a prime.

It is a super-2 number, since 2×33230537689² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33230531689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16615268844 + 16615268845.

It is an arithmetic number, because the mean of its divisors is an integer number (16615268845).

Almost surely, 2^33230537689 is an apocalyptic number.

It is an amenable number.

33230537689 is a deficient number, since it is larger than the sum of its proper divisors (1).

33230537689 is an equidigital number, since it uses as much as digits as its factorization.

33230537689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 49.

The spelling of 33230537689 in words is "thirty-three billion, two hundred thirty million, five hundred thirty-seven thousand, six hundred eighty-nine".