44766823564409 has 2 divisors, whose sum is σ = 44766823564410. Its totient is φ = 44766823564408.

The previous prime is 44766823564363. The next prime is 44766823564487. The reversal of 44766823564409 is 90446532866744.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44318271896809 + 448551667600 = 6657197^2 + 669740^2 .

It is a cyclic number.

It is not a de Polignac number, because 44766823564409 - 2¹² = 44766823560313 is a prime.

It is not a weakly prime, because it can be changed into another prime (44766823564609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22383411782204 + 22383411782205.

It is an arithmetic number, because the mean of its divisors is an integer number (22383411782205).

Almost surely, 2^{44766823564409} is an apocalyptic number.

It is an amenable number.

44766823564409 is a deficient number, since it is larger than the sum of its proper divisors (1).

44766823564409 is an equidigital number, since it uses as much as digits as its factorization.

44766823564409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 836075520, while the sum is 68.

The spelling of 44766823564409 in words is "forty-four trillion, seven hundred sixty-six billion, eight hundred twenty-three million, five hundred sixty-four thousand, four hundred nine".