7275789161 has 2 divisors, whose sum is σ = 7275789162. Its totient is φ = 7275789160.

The previous prime is 7275789151. The next prime is 7275789197. The reversal of 7275789161 is 1619875727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6269630761 + 1006158400 = 79181^2 + 31720^2 .

It is a cyclic number.

It is not a de Polignac number, because 7275789161 - 2⁶ = 7275789097 is a prime.

It is not a weakly prime, because it can be changed into another prime (7275789151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3637894580 + 3637894581.

It is an arithmetic number, because the mean of its divisors is an integer number (3637894581).

Almost surely, 2^7275789161 is an apocalyptic number.

It is an amenable number.

7275789161 is a deficient number, since it is larger than the sum of its proper divisors (1).

7275789161 is an equidigital number, since it uses as much as digits as its factorization.

7275789161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 53.

The square root of 7275789161 is about 85298.2365644214. The cubic root of 7275789161 is about 1937.7304704042.

The spelling of 7275789161 in words is "seven billion, two hundred seventy-five million, seven hundred eighty-nine thousand, one hundred sixty-one".