8748353139649 has 2 divisors, whose sum is σ = 8748353139650. Its totient is φ = 8748353139648.

The previous prime is 8748353139619. The next prime is 8748353139667. The reversal of 8748353139649 is 9469313538478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8590848930225 + 157504209424 = 2931015^2 + 396868^2 .

It is a cyclic number.

It is not a de Polignac number, because 8748353139649 - 2²⁷ = 8748218921921 is a prime.

It is not a weakly prime, because it can be changed into another prime (8748353139619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4374176569824 + 4374176569825.

It is an arithmetic number, because the mean of its divisors is an integer number (4374176569825).

Almost surely, 2^{8748353139649} is an apocalyptic number.

It is an amenable number.

8748353139649 is a deficient number, since it is larger than the sum of its proper divisors (1).

8748353139649 is an equidigital number, since it uses as much as digits as its factorization.

8748353139649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 470292480, while the sum is 70.

The spelling of 8748353139649 in words is "eight trillion, seven hundred forty-eight billion, three hundred fifty-three million, one hundred thirty-nine thousand, six hundred forty-nine".