9438613507 has 2 divisors, whose sum is σ = 9438613508. Its totient is φ = 9438613506.

The previous prime is 9438613463. The next prime is 9438613511. The reversal of 9438613507 is 7053168349.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9438613507 is a prime.

It is not a weakly prime, because it can be changed into another prime (9438613577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4719306753 + 4719306754.

It is an arithmetic number, because the mean of its divisors is an integer number (4719306754).

Almost surely, 2^9438613507 is an apocalyptic number.

9438613507 is a deficient number, since it is larger than the sum of its proper divisors (1).

9438613507 is an equidigital number, since it uses as much as digits as its factorization.

9438613507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 9438613507 is about 97152.5270232329. The cubic root of 9438613507 is about 2113.3401352970.

The spelling of 9438613507 in words is "nine billion, four hundred thirty-eight million, six hundred thirteen thousand, five hundred seven".