23277641849617 has 2 divisors, whose sum is σ = 23277641849618. Its totient is φ = 23277641849616.

The previous prime is 23277641849591. The next prime is 23277641849629. The reversal of 23277641849617 is 71694814677232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14877058412241 + 8400583437376 = 3857079^2 + 2898376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23277641849617 is a prime.

It is a super-2 number, since 2×23277641849617² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23277641849317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11638820924808 + 11638820924809.

It is an arithmetic number, because the mean of its divisors is an integer number (11638820924809).

Almost surely, 2^{23277641849617} is an apocalyptic number.

It is an amenable number.

23277641849617 is a deficient number, since it is larger than the sum of its proper divisors (1).

23277641849617 is an equidigital number, since it uses as much as digits as its factorization.

23277641849617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170698752, while the sum is 67.

The spelling of 23277641849617 in words is "twenty-three trillion, two hundred seventy-seven billion, six hundred forty-one million, eight hundred forty-nine thousand, six hundred seventeen".