748987143617 has 2 divisors, whose sum is σ = 748987143618. Its totient is φ = 748987143616.

The previous prime is 748987143599. The next prime is 748987143659. The reversal of 748987143617 is 716341789847.

748987143617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 644823454081 + 104163689536 = 803009^2 + 322744^2 .

It is a cyclic number.

It is not a de Polignac number, because 748987143617 - 2²⁰ = 748986095041 is a prime.

It is not a weakly prime, because it can be changed into another prime (748987143217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374493571808 + 374493571809.

It is an arithmetic number, because the mean of its divisors is an integer number (374493571809).

Almost surely, 2^748987143617 is an apocalyptic number.

It is an amenable number.

748987143617 is a deficient number, since it is larger than the sum of its proper divisors (1).

748987143617 is an equidigital number, since it uses as much as digits as its factorization.

748987143617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56899584, while the sum is 65.

The spelling of 748987143617 in words is "seven hundred forty-eight billion, nine hundred eighty-seven million, one hundred forty-three thousand, six hundred seventeen".