44313523013 has 2 divisors, whose sum is σ = 44313523014. Its totient is φ = 44313523012.

The previous prime is 44313522949. The next prime is 44313523043. The reversal of 44313523013 is 31032531344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34431771364 + 9881751649 = 185558^2 + 99407^2 .

It is a cyclic number.

It is not a de Polignac number, because 44313523013 - 2⁶ = 44313522949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44313523043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22156761506 + 22156761507.

It is an arithmetic number, because the mean of its divisors is an integer number (22156761507).

Almost surely, 2^44313523013 is an apocalyptic number.

It is an amenable number.

44313523013 is a deficient number, since it is larger than the sum of its proper divisors (1).

44313523013 is an equidigital number, since it uses as much as digits as its factorization.

44313523013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 29.

The spelling of 44313523013 in words is "forty-four billion, three hundred thirteen million, five hundred twenty-three thousand, thirteen".