7438648337 has 2 divisors, whose sum is σ = 7438648338. Its totient is φ = 7438648336.

The previous prime is 7438648331. The next prime is 7438648363. The reversal of 7438648337 is 7338468347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7189513681 + 249134656 = 84791^2 + 15784^2 .

It is a cyclic number.

It is not a de Polignac number, because 7438648337 - 2¹⁴ = 7438631953 is a prime.

It is not a weakly prime, because it can be changed into another prime (7438648331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3719324168 + 3719324169.

It is an arithmetic number, because the mean of its divisors is an integer number (3719324169).

Almost surely, 2^7438648337 is an apocalyptic number.

It is an amenable number.

7438648337 is a deficient number, since it is larger than the sum of its proper divisors (1).

7438648337 is an equidigital number, since it uses as much as digits as its factorization.

7438648337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8128512, while the sum is 53.

The square root of 7438648337 is about 86247.5990216539. The cubic root of 7438648337 is about 1952.0817861102.

The spelling of 7438648337 in words is "seven billion, four hundred thirty-eight million, six hundred forty-eight thousand, three hundred thirty-seven".