17227563961 has 2 divisors, whose sum is σ = 17227563962. Its totient is φ = 17227563960.

The previous prime is 17227563953. The next prime is 17227564021. The reversal of 17227563961 is 16936572271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17009115561 + 218448400 = 130419^2 + 14780^2 .

It is a cyclic number.

It is not a de Polignac number, because 17227563961 - 2³ = 17227563953 is a prime.

It is not a weakly prime, because it can be changed into another prime (17227563901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8613781980 + 8613781981.

It is an arithmetic number, because the mean of its divisors is an integer number (8613781981).

Almost surely, 2^17227563961 is an apocalyptic number.

It is an amenable number.

17227563961 is a deficient number, since it is larger than the sum of its proper divisors (1).

17227563961 is an equidigital number, since it uses as much as digits as its factorization.

17227563961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 49.

The spelling of 17227563961 in words is "seventeen billion, two hundred twenty-seven million, five hundred sixty-three thousand, nine hundred sixty-one".