748985189 has 2 divisors, whose sum is σ = 748985190. Its totient is φ = 748985188.

The previous prime is 748985113. The next prime is 748985197. The reversal of 748985189 is 981589847.

748985189 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., 425596900 + 323388289 = 20630^2 + 17983^2 .

It is a cyclic number.

It is not a de Polignac number, because 748985189 - 2⁸ = 748984933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (748985689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374492594 + 374492595.

It is an arithmetic number, because the mean of its divisors is an integer number (374492595).

Almost surely, 2^748985189 is an apocalyptic number.

It is an amenable number.

748985189 is a deficient number, since it is larger than the sum of its proper divisors (1).

748985189 is an equidigital number, since it uses as much as digits as its factorization.

748985189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 59.

The square root of 748985189 is about 27367.5937743894. The cubic root of 748985189 is about 908.1503261270.

The spelling of 748985189 in words is "seven hundred forty-eight million, nine hundred eighty-five thousand, one hundred eighty-nine".