8273625665749 has 2 divisors, whose sum is σ = 8273625665750. Its totient is φ = 8273625665748.

The previous prime is 8273625665743. The next prime is 8273625665777. The reversal of 8273625665749 is 9475665263728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6802785486225 + 1470840179524 = 2608215^2 + 1212782^2 .

It is a cyclic number.

It is not a de Polignac number, because 8273625665749 - 2³ = 8273625665741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8273625665741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4136812832874 + 4136812832875.

It is an arithmetic number, because the mean of its divisors is an integer number (4136812832875).

Almost surely, 2^{8273625665749} is an apocalyptic number.

It is an amenable number.

8273625665749 is a deficient number, since it is larger than the sum of its proper divisors (1).

8273625665749 is an equidigital number, since it uses as much as digits as its factorization.

8273625665749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 914457600, while the sum is 70.

The spelling of 8273625665749 in words is "eight trillion, two hundred seventy-three billion, six hundred twenty-five million, six hundred sixty-five thousand, seven hundred forty-nine".