7441978717 has 2 divisors, whose sum is σ = 7441978718. Its totient is φ = 7441978716.

The previous prime is 7441978697. The next prime is 7441978727. The reversal of 7441978717 is 7178791447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7438372516 + 3606201 = 86246^2 + 1899^2 .

It is a cyclic number.

It is not a de Polignac number, because 7441978717 - 2¹⁵ = 7441945949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7441978727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3720989358 + 3720989359.

It is an arithmetic number, because the mean of its divisors is an integer number (3720989359).

Almost surely, 2^7441978717 is an apocalyptic number.

It is an amenable number.

7441978717 is a deficient number, since it is larger than the sum of its proper divisors (1).

7441978717 is an equidigital number, since it uses as much as digits as its factorization.

7441978717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2765952, while the sum is 55.

The square root of 7441978717 is about 86266.9039493130. The cubic root of 7441978717 is about 1952.3730668136.

The spelling of 7441978717 in words is "seven billion, four hundred forty-one million, nine hundred seventy-eight thousand, seven hundred seventeen".