44685748739 has 2 divisors, whose sum is σ = 44685748740. Its totient is φ = 44685748738.

The previous prime is 44685748729. The next prime is 44685748841. The reversal of 44685748739 is 93784758644.

44685748739 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44685748739 is a prime.

It is a super-2 number, since 2×44685748739² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44685748729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22342874369 + 22342874370.

It is an arithmetic number, because the mean of its divisors is an integer number (22342874370).

Almost surely, 2^44685748739 is an apocalyptic number.

44685748739 is a deficient number, since it is larger than the sum of its proper divisors (1).

44685748739 is an equidigital number, since it uses as much as digits as its factorization.

44685748739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162570240, while the sum is 65.

The spelling of 44685748739 in words is "forty-four billion, six hundred eighty-five million, seven hundred forty-eight thousand, seven hundred thirty-nine".