7441978697 has 2 divisors, whose sum is σ = 7441978698. Its totient is φ = 7441978696.

The previous prime is 7441978679. The next prime is 7441978717. The reversal of 7441978697 is 7968791447.

Together with previous prime (7441978679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6641598016 + 800380681 = 81496^2 + 28291^2 .

It is a cyclic number.

It is not a de Polignac number, because 7441978697 - 2¹⁶ = 7441913161 is a prime.

It is not a weakly prime, because it can be changed into another prime (7441978897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3720989348 + 3720989349.

It is an arithmetic number, because the mean of its divisors is an integer number (3720989349).

Almost surely, 2^7441978697 is an apocalyptic number.

It is an amenable number.

7441978697 is a deficient number, since it is larger than the sum of its proper divisors (1).

7441978697 is an equidigital number, since it uses as much as digits as its factorization.

7441978697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21337344, while the sum is 62.

The square root of 7441978697 is about 86266.9038333937. The cubic root of 7441978697 is about 1952.3730650647.

The spelling of 7441978697 in words is "seven billion, four hundred forty-one million, nine hundred seventy-eight thousand, six hundred ninety-seven".