748618241617 has 2 divisors, whose sum is σ = 748618241618. Its totient is φ = 748618241616.

The previous prime is 748618241603. The next prime is 748618241627. The reversal of 748618241617 is 716142816847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 687446607376 + 61171634241 = 829124^2 + 247329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-748618241617 is a prime.

It is not a weakly prime, because it can be changed into another prime (748618241627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374309120808 + 374309120809.

It is an arithmetic number, because the mean of its divisors is an integer number (374309120809).

Almost surely, 2^748618241617 is an apocalyptic number.

It is an amenable number.

748618241617 is a deficient number, since it is larger than the sum of its proper divisors (1).

748618241617 is an equidigital number, since it uses as much as digits as its factorization.

748618241617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3612672, while the sum is 55.

The spelling of 748618241617 in words is "seven hundred forty-eight billion, six hundred eighteen million, two hundred forty-one thousand, six hundred seventeen".