43761416749 has 2 divisors, whose sum is σ = 43761416750. Its totient is φ = 43761416748.

The previous prime is 43761416717. The next prime is 43761416753. The reversal of 43761416749 is 94761416734.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34075314025 + 9686102724 = 184595^2 + 98418^2 .

It is a cyclic number.

It is not a de Polignac number, because 43761416749 - 2⁵ = 43761416717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43761416696 and 43761416705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43761416849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21880708374 + 21880708375.

It is an arithmetic number, because the mean of its divisors is an integer number (21880708375).

Almost surely, 2^43761416749 is an apocalyptic number.

It is an amenable number.

43761416749 is a deficient number, since it is larger than the sum of its proper divisors (1).

43761416749 is an equidigital number, since it uses as much as digits as its factorization.

43761416749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 52.

The spelling of 43761416749 in words is "forty-three billion, seven hundred sixty-one million, four hundred sixteen thousand, seven hundred forty-nine".