33630542243 has 2 divisors, whose sum is σ = 33630542244. Its totient is φ = 33630542242.

The previous prime is 33630542189. The next prime is 33630542299. The reversal of 33630542243 is 34224503633.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33630542243 - 2¹² = 33630538147 is a prime.

It is a super-2 number, since 2×33630542243² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33630542443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16815271121 + 16815271122.

It is an arithmetic number, because the mean of its divisors is an integer number (16815271122).

Almost surely, 2^33630542243 is an apocalyptic number.

33630542243 is a deficient number, since it is larger than the sum of its proper divisors (1).

33630542243 is an equidigital number, since it uses as much as digits as its factorization.

33630542243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 35.

The spelling of 33630542243 in words is "thirty-three billion, six hundred thirty million, five hundred forty-two thousand, two hundred forty-three".