33230737849 has 9 divisors (see below), whose sum is σ = 33386963949. Its totient is φ = 33075241920.

The previous prime is 33230737843. The next prime is 33230737871. The reversal of 33230737849 is 94873703233.

The square root of 33230737849 is 182293.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 27940794025 + 5289943824 = 167155^2 + 72732^2 .

It is not a de Polignac number, because 33230737849 - 2¹⁹ = 33230213561 is a prime.

It is a super-2 number, since 2×33230737849² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33230737843) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 76745137 + ... + 76745569.

It is an arithmetic number, because the mean of its divisors is an integer number (3709662661).

Almost surely, 2^33230737849 is an apocalyptic number.

33230737849 is the 182293-rd square number.

33230737849 is the 91147-th centered octagonal number.

It is an amenable number.

33230737849 is a deficient number, since it is larger than the sum of its proper divisors (156226100).

33230737849 is an frugal number, since it uses more digits than its factorization.

33230737849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 49.

Multiplying 33230737849 by its sum of digits (49), we get a square (1628306154601 = 1276051²).

The spelling of 33230737849 in words is "thirty-three billion, two hundred thirty million, seven hundred thirty-seven thousand, eight hundred forty-nine".