4001309141749 has 2 divisors, whose sum is σ = 4001309141750. Its totient is φ = 4001309141748.

The previous prime is 4001309141747. The next prime is 4001309141771. The reversal of 4001309141749 is 9471419031004.

4001309141749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4001060070225 + 249071524 = 2000265^2 + 15782^2 .

It is a cyclic number.

It is not a de Polignac number, because 4001309141749 - 2¹ = 4001309141747 is a prime.

Together with 4001309141747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4001309141747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000654570874 + 2000654570875.

It is an arithmetic number, because the mean of its divisors is an integer number (2000654570875).

Almost surely, 2^{4001309141749} is an apocalyptic number.

It is an amenable number.

4001309141749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001309141749 is an equidigital number, since it uses as much as digits as its factorization.

4001309141749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 4001309141749 in words is "four trillion, one billion, three hundred nine million, one hundred forty-one thousand, seven hundred forty-nine".