5268144961 has 2 divisors, whose sum is σ = 5268144962. Its totient is φ = 5268144960.

The previous prime is 5268144923. The next prime is 5268144971. The reversal of 5268144961 is 1694418625.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3229080625 + 2039064336 = 56825^2 + 45156^2 .

It is a cyclic number.

It is not a de Polignac number, because 5268144961 - 2⁹ = 5268144449 is a prime.

It is not a weakly prime, because it can be changed into another prime (5268144911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2634072480 + 2634072481.

It is an arithmetic number, because the mean of its divisors is an integer number (2634072481).

Almost surely, 2^5268144961 is an apocalyptic number.

It is an amenable number.

5268144961 is a deficient number, since it is larger than the sum of its proper divisors (1).

5268144961 is an equidigital number, since it uses as much as digits as its factorization.

5268144961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 46.

The square root of 5268144961 is about 72581.9878551146. The cubic root of 5268144961 is about 1740.0133174874.

The spelling of 5268144961 in words is "five billion, two hundred sixty-eight million, one hundred forty-four thousand, nine hundred sixty-one".