7440705748739 has 2 divisors, whose sum is σ = 7440705748740. Its totient is φ = 7440705748738.

The previous prime is 7440705748733. The next prime is 7440705748789. The reversal of 7440705748739 is 9378475070447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7440705748739 - 2¹² = 7440705744643 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (7440705748733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3720352874369 + 3720352874370.

It is an arithmetic number, because the mean of its divisors is an integer number (3720352874370).

Almost surely, 2^{7440705748739} is an apocalyptic number.

7440705748739 is a deficient number, since it is larger than the sum of its proper divisors (1).

7440705748739 is an equidigital number, since it uses as much as digits as its factorization.

7440705748739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165957120, while the sum is 65.

The spelling of 7440705748739 in words is "seven trillion, four hundred forty billion, seven hundred five million, seven hundred forty-eight thousand, seven hundred thirty-nine".