39944031242201 has 2 divisors, whose sum is σ = 39944031242202. Its totient is φ = 39944031242200.

The previous prime is 39944031242197. The next prime is 39944031242233. The reversal of 39944031242201 is 10224213044993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38577750787801 + 1366280454400 = 6211099^2 + 1168880^2 .

It is a cyclic number.

It is not a de Polignac number, because 39944031242201 - 2² = 39944031242197 is a prime.

It is not a weakly prime, because it can be changed into another prime (39944031245201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19972015621100 + 19972015621101.

It is an arithmetic number, because the mean of its divisors is an integer number (19972015621101).

Almost surely, 2^{39944031242201} is an apocalyptic number.

It is an amenable number.

39944031242201 is a deficient number, since it is larger than the sum of its proper divisors (1).

39944031242201 is an equidigital number, since it uses as much as digits as its factorization.

39944031242201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 39944031242201 in words is "thirty-nine trillion, nine hundred forty-four billion, thirty-one million, two hundred forty-two thousand, two hundred one".