39944031242233 has 2 divisors, whose sum is σ = 39944031242234. Its totient is φ = 39944031242232.

The previous prime is 39944031242201. The next prime is 39944031242279. The reversal of 39944031242233 is 33224213044993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21589293159184 + 18354738083049 = 4646428^2 + 4284243^2 .

It is a cyclic number.

It is not a de Polignac number, because 39944031242233 - 2⁵ = 39944031242201 is a prime.

It is a super-2 number, since 2×39944031242233² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (39944031242833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19972015621116 + 19972015621117.

It is an arithmetic number, because the mean of its divisors is an integer number (19972015621117).

Almost surely, 2^{39944031242233} is an apocalyptic number.

It is an amenable number.

39944031242233 is a deficient number, since it is larger than the sum of its proper divisors (1).

39944031242233 is an equidigital number, since it uses as much as digits as its factorization.

39944031242233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 49.

The spelling of 39944031242233 in words is "thirty-nine trillion, nine hundred forty-four billion, thirty-one million, two hundred forty-two thousand, two hundred thirty-three".