6748460190209 has 2 divisors, whose sum is σ = 6748460190210. Its totient is φ = 6748460190208.

The previous prime is 6748460190179. The next prime is 6748460190233. The reversal of 6748460190209 is 9020910648476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4410399009025 + 2338061181184 = 2100095^2 + 1529072^2 .

It is a cyclic number.

It is not a de Polignac number, because 6748460190209 - 2²⁴ = 6748443412993 is a prime.

It is not a weakly prime, because it can be changed into another prime (6748460190239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3374230095104 + 3374230095105.

It is an arithmetic number, because the mean of its divisors is an integer number (3374230095105).

Almost surely, 2^{6748460190209} is an apocalyptic number.

It is an amenable number.

6748460190209 is a deficient number, since it is larger than the sum of its proper divisors (1).

6748460190209 is an equidigital number, since it uses as much as digits as its factorization.

6748460190209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 6748460190209 in words is "six trillion, seven hundred forty-eight billion, four hundred sixty million, one hundred ninety thousand, two hundred nine".