748157618489 has 2 divisors, whose sum is σ = 748157618490. Its totient is φ = 748157618488.

The previous prime is 748157618423. The next prime is 748157618519. The reversal of 748157618489 is 984816751847.

748157618489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 725379262864 + 22778355625 = 851692^2 + 150925^2 .

It is a cyclic number.

It is not a de Polignac number, because 748157618489 - 2⁸ = 748157618233 is a prime.

It is not a weakly prime, because it can be changed into another prime (748157618419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374078809244 + 374078809245.

It is an arithmetic number, because the mean of its divisors is an integer number (374078809245).

Almost surely, 2^748157618489 is an apocalyptic number.

It is an amenable number.

748157618489 is a deficient number, since it is larger than the sum of its proper divisors (1).

748157618489 is an equidigital number, since it uses as much as digits as its factorization.

748157618489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108380160, while the sum is 68.

The spelling of 748157618489 in words is "seven hundred forty-eight billion, one hundred fifty-seven million, six hundred eighteen thousand, four hundred eighty-nine".