8925279739561 has 2 divisors, whose sum is σ = 8925279739562. Its totient is φ = 8925279739560.

The previous prime is 8925279739559. The next prime is 8925279739609. The reversal of 8925279739561 is 1659379725298.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5465103115536 + 3460176624025 = 2337756^2 + 1860155^2 .

It is a cyclic number.

It is not a de Polignac number, because 8925279739561 - 2¹ = 8925279739559 is a prime.

Together with 8925279739559, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8925279739261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4462639869780 + 4462639869781.

It is an arithmetic number, because the mean of its divisors is an integer number (4462639869781).

Almost surely, 2^{8925279739561} is an apocalyptic number.

It is an amenable number.

8925279739561 is a deficient number, since it is larger than the sum of its proper divisors (1).

8925279739561 is an equidigital number, since it uses as much as digits as its factorization.

8925279739561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 514382400, while the sum is 73.

The spelling of 8925279739561 in words is "eight trillion, nine hundred twenty-five billion, two hundred seventy-nine million, seven hundred thirty-nine thousand, five hundred sixty-one".